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发明名称
Manufacture of articles from powdered metals
摘要
申请公布号
US2162701(A)
申请公布日期
1939.06.20
申请号
US19370182162
申请日期
1937.12.28
申请人
HANDY & HARMAN
发明人
COMSTOCK GREGORY J.
分类号
B44C3/12
主分类号
B44C3/12
代理机构
代理人
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