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发明名称
摘要
申请公布号
FR2290827(B3)
申请公布日期
1977.09.02
申请号
FR19740040659
申请日期
1974.11.15
申请人
VEYRIE MARCEL
发明人
分类号
A01B15/00;A01B23/02;(IPC1-7):A01B1/22
主分类号
A01B15/00
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