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发明名称
Stamping die
摘要
申请公布号
US2390183(A)
申请公布日期
1945.12.04
申请号
US19400368873
申请日期
1940.12.06
申请人
LEONARD SELIGMAN ROGER ADOLPHE
发明人
SELIGMAN ROGER ADOLPHE LEONARD
分类号
B21D37/20
主分类号
B21D37/20
代理机构
代理人
主权项
地址
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