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经营范围
发明名称
Molding or shaping die
摘要
申请公布号
US2177461(A)
申请公布日期
1939.10.24
申请号
US19370165649
申请日期
1937.09.25
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
RUTHVEN WILLIAM
分类号
B28B1/44
主分类号
B28B1/44
代理机构
代理人
主权项
地址
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