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发明名称
Hélice bineuse
摘要
申请公布号
FR1138951(A)
申请公布日期
1957.06.24
申请号
FRD1138951
申请日期
1955.11.30
申请人
发明人
ARMENGAUD EDMOND
分类号
A01B13/04
主分类号
A01B13/04
代理机构
代理人
主权项
地址
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