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发明名称
Die set
摘要
申请公布号
US2288136(A)
申请公布日期
1942.06.30
申请号
US19390295785
申请日期
1939.09.20
申请人
KASIMIR JANISZEWSKI
发明人
JANISZEWSKI KASIMIR
分类号
B21D37/10
主分类号
B21D37/10
代理机构
代理人
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