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发明名称
Piston expanding device
摘要
申请公布号
US2499599(A)
申请公布日期
1950.03.07
申请号
US19480053305
申请日期
1948.10.07
申请人
MCQUAY-NORRIS MANUFACTURING COMPANY
发明人
MAYFIELD GEORGE C.
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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