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发明名称
Powder metallurgy
摘要
申请公布号
US2289569(A)
申请公布日期
1942.07.14
申请号
US19410392310
申请日期
1941.05.07
申请人
GENERAL MOTORS CORPORATION
发明人
BOEGEHOLD ALFRED L.
分类号
C22C1/04
主分类号
C22C1/04
代理机构
代理人
主权项
地址
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