Izokhron 1979
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The electronic time switch for photo printing "Isochron" was produced presumably since 1979. ,86e6f450b8cc469628ba70bf2947b049The manufacturer has not been identified, apparently some kind of defense plant.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null
Information from collection of Valery Khartchenko