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发明名称
Method of making piston pins
摘要
申请公布号
US2049411(A)
申请公布日期
1936.08.04
申请号
US19350011840
申请日期
1935.03.19
申请人
ABBE EARL C
发明人
ABBE EARL C.
分类号
B21K1/76
主分类号
B21K1/76
代理机构
代理人
主权项
地址
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