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发明名称
Piston salvaging device
摘要
申请公布号
US1875039(A)
申请公布日期
1932.08.30
申请号
US19310573638
申请日期
1931.11.07
申请人
LEEAK FRANCIS J
发明人
LEEAK FRANCIS J.
分类号
B23P15/10
主分类号
B23P15/10
代理机构
代理人
主权项
地址
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