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经营范围
发明名称
Piston expanding apparatus
摘要
申请公布号
US2306756(A)
申请公布日期
1942.12.29
申请号
US19390292499
申请日期
1939.08.29
申请人
SCRANTON INDUSTRIAL DEVELOPMENT COMPANY
发明人
RUBIN DAVID
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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