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经营范围
发明名称
Adjustable drawing die
摘要
申请公布号
US2260479(A)
申请公布日期
1941.10.28
申请号
US19390281134
申请日期
1939.06.26
申请人
ALFRED HERBERT LIMITED
发明人
PICKING ERNEST C.
分类号
B21C3/06
主分类号
B21C3/06
代理机构
代理人
主权项
地址
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