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发明名称
Poinçon en deux pièces
摘要
申请公布号
FR757203(A)
申请公布日期
1933.12.22
申请号
FRD757203
申请日期
1933.05.30
申请人
JOSEPH AMBERT
发明人
分类号
B21D28/34
主分类号
B21D28/34
代理机构
代理人
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