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发明名称
Method of forging irregular metal objects
摘要
申请公布号
US2142805(A)
申请公布日期
1939.01.03
申请号
US19360094198
申请日期
1936.08.04
申请人
UNITED AIRCRAFT CORPORATION
发明人
RYDER EARLE A.
分类号
B21K1/08
主分类号
B21K1/08
代理机构
代理人
主权项
地址
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