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发明名称
Die tool
摘要
申请公布号
US2361595(A)
申请公布日期
1944.10.31
申请号
US19440517692
申请日期
1944.01.10
申请人
BROERSMA JACOB A
发明人
BROERSMA JACOB A.
分类号
B23D21/00
主分类号
B23D21/00
代理机构
代理人
主权项
地址
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