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发明名称
Vorrichtung zur Herstellung von Pflanzlochgruppen
摘要
申请公布号
DE587160(C)
申请公布日期
1933.10.31
申请号
DE1932H133363D
申请日期
1932.09.27
申请人
ALBERT HEIN
发明人
分类号
A01C5/02
主分类号
A01C5/02
代理机构
代理人
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