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经营范围
发明名称
Forming brake drums
摘要
申请公布号
US2082199(A)
申请公布日期
1937.06.01
申请号
US19360069020
申请日期
1936.03.16
申请人
CAMPBELL, WYANT & CANNON FOUNDRY COMPANY
发明人
DAKE CHARLES W.
分类号
B21D53/34
主分类号
B21D53/34
代理机构
代理人
主权项
地址
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