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经营范围
发明名称
Piston
摘要
申请公布号
US2497380(A)
申请公布日期
1950.02.14
申请号
US19450620570
申请日期
1945.10.05
申请人
VENNER WILLIAM M;BOWSER PERCY L
发明人
VENNER WILLIAM M.;BOWSER PERCY L.
分类号
F02F3/02
主分类号
F02F3/02
代理机构
代理人
主权项
地址
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