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发明名称
Piston
摘要
申请公布号
US2601344(A)
申请公布日期
1952.06.24
申请号
US19490115091
申请日期
1949.09.10
申请人
THOMPSON PRODUCTS, INC.
发明人
TOWNHILL ARTHUR
分类号
F16J1/04
主分类号
F16J1/04
代理机构
代理人
主权项
地址
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