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经营范围
发明名称
METAL FABRICATION
摘要
申请公布号
US3510296(A)
申请公布日期
1970.05.05
申请号
USD3510296
申请日期
1967.03.07
申请人
MINNESOTA MINING & MFG. CO.
发明人
THEODORE R. BERGSTROM
分类号
B22F1/00;C22C1/04;C22C32/00;(IPC1-7):B22F3/10;C22C1/05;C22C33/02
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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