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发明名称
Piston
摘要
申请公布号
US1976358(A)
申请公布日期
1934.10.09
申请号
US19300446433
申请日期
1930.04.23
申请人
FRANK J. KENT
发明人
MULFORD RALPH K.
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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