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发明名称
Machine automatique à perforer de façon exacte deux surfaces superposées de nature différente dont l'une est déjà perforée
摘要
申请公布号
FR731982(A)
申请公布日期
1932.09.10
申请号
FRD731982
申请日期
1931.10.23
申请人
发明人
SALLET ALEXANDRE
分类号
B23Q35/02
主分类号
B23Q35/02
代理机构
代理人
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