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发明名称
摘要
申请公布号
FR2096755(A1)
申请公布日期
1972.02.25
申请号
FR19710018327
申请日期
1971.05.14
申请人
WEISTE HELMUT
发明人
分类号
A01B63/10;A01B59/00;(IPC1-7):A01B59/00;A01B63/00
主分类号
A01B63/10
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