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发明名称
Abdeckvorrichtung fuer Kulturen
摘要
申请公布号
DE678344(C)
申请公布日期
1939.07.14
申请号
DE1936G093296D
申请日期
1936.07.12
申请人
ERICH GEVEKE
发明人
分类号
A01G13/02;A01G13/04
主分类号
A01G13/02
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代理人
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