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Russian slide rules often appear to be earlier than they are - their technology seems to have lagged behind the West and they were later adopting electronic calculators.

I have also included rules from other countries that did not merit separate pages.
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NL-10-M Russian air force navigation slide rule, duplex, ten inch, wood and celluloid. Obtained from the Ukraine. Complete with brown cloth covered card case.
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Russian artillery slide rule, made in Leningrad factory. Ten inch closed frame wood & celluloid. Scales are: β,N²{Sin,S&T,Tg,N}N,LgN//(Sin,S&T,Tg,N}. Further scales in well. Cm, 1:50,000, 1:25,000 rulers on edges. Black card case. Obtained from the Ukraine. Formulae on reverse.
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LSLO-250-14M plastic ten inch closed frame slide rule made in Leningrad in 1977. Scales are: K,A{B,B1,C1,C}D,S,ST,T,L//{LL1,LL2,LL3}. Metric ruler on top edge. It has a green plastic case. Obtained from the Ukraine.
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Russian KL1 pocket watch type slide rule. One winder turns both cursors, the other turns the dial in the right hand picture. Obtained from the Ukraine.
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White & Gillespie (Australia) Model 432 Dual Face Comprehensive slide rule. A duplex rule made of wood and celluloid in a black cloth covered card case. Scales are: LU,L,A{B,C1,C}D,K,LL//S,A{B,T1,T2}Voltage drop, efficiency.
Australia
Korea
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Aviation Supplies and Academics Air Classics E6B flight computer made of card and clear plastic. Supplied in a clear vinyl wallet with instruction booklet, this item was brand new. Copyright 1992.
Denmark
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Diwa No 301 Rietz ten inch closed frame slide rule made from mahogany and celluloid with a metal and glass cursor. It has a leather case. Scales are in,cm\K,A{B,C1,C}D,L//{S,ST,T}
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Diwa No 511 Electro ten inch closed frame plastic slide rule. It has a leather case. Scales are: mm,inch\DynamoMotor,K,A{B,C1,C}D.Volt,S,T//{LL1,LL2,LL3}.
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Hellerman 551U Darmstadt rule made by UTO. Ten inch closed frame plastic rule with magnifying cursor. It has a tan leather case. Scales are: in\L,K,A{B,C1,C}D,P,S,T//{LL1,LL2,LL3}. Shown as “New” in the 1963/4 Hellerman catalogue.
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ΓOCΓ 5161-57 wood and celluloid closed frame five inch slide rule made in 1964. Scales are: K,A{B,C1,C}D,L//{S,ST,T}.
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ΓOCT 5161-57 wood and celluloid closed frame ten inch slide rule made in 1964. Scales are: cm\K,A{B,C1,C}D,L\1:25//{S,ST,T}. It has a blue card case and a leaflet.
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Leningrad ΓOCT  5161-72 ten inch wood and celluloid duplex slide rule made in 1974. Plastic cursor. Scales are: L,LL1,DF{CF,C1F,C1,C}D,LL3,LL2//K,A{B,S,ST,T,C}D,D1
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Diwa 601-1 Rietz slide rule. Closed frame 5” plastic slide rule made for Motorola Semiconductors Inc. It has a leather slip case and a blue card box, both with the Motorola Logo on. The rear of the rule has the Motorola name on. Scales are: cm\K,A{B,C1,C}D,L//{S,ST,T}.
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A Diwa no. 201 Reitz slide rule with its mahogany case. Ten inch closed frame slide rule made from mahogany and celluloid with a metal and glass cursor. Scales are in,cm\K,A{B,C1,C}D,L//{S,ST,T}.