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  1. 1

    Patent "AV" : fantasticheskiĭ roman. by Lagin, L. (Lazarʹ), 1903-1979

    Published 1948
    Book
  2. 2
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  4. 4

    The patent law of the Union of Socialist Soviet Republics

    Published 1925
    “…Half-title: Patent law of the U.S.S.R.…”
    Full Text (via LLMC)
    Electronic eBook
  5. 5
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