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发明名称
Piston skirt expander
摘要
申请公布号
US2167287(A)
申请公布日期
1939.07.25
申请号
US19340710658
申请日期
1934.02.10
申请人
WITTER LEON A
发明人
WITTER LEON A.
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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