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摘要
申请公布号
SU22625(A1)
申请公布日期
1931.08.31
申请号
SU19290059765
申请日期
1929.12.06
申请人
UKRAINSKOE TSENTRALNOE BYURO PO REALIZATSII IZOBRETENIJ I SODEJSTVIYU IZOBRETATELSTVU (TSBRIZ)
发明人
POUKH S.I.
分类号
A01C7/04
主分类号
A01C7/04
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代理人
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