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发明名称
Dispositif pour le perçage de trous
摘要
申请公布号
FR796095(A)
申请公布日期
1936.03.28
申请号
FRD796095
申请日期
1934.12.29
申请人
发明人
BAEHR GUSTAVE
分类号
B21D28/34
主分类号
B21D28/34
代理机构
代理人
主权项
地址
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