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发明名称
Method of joining powder metal parts
摘要
申请公布号
US2957235(A)
申请公布日期
1960.10.25
申请号
US19570645484
申请日期
1957.03.12
申请人
PUROLATOR PRODUCTS, INC.
发明人
STEINBERG MORRIS A.
分类号
B22F7/06
主分类号
B22F7/06
代理机构
代理人
主权项
地址
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