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发明名称
Piston
摘要
申请公布号
US2398005(A)
申请公布日期
1946.04.09
申请号
US19440560842
申请日期
1944.10.28
申请人
WELLWORTHY PISTON RINGS LIMITED
发明人
HOWLETT JOHN WILLIAM
分类号
F02F3/00
主分类号
F02F3/00
代理机构
代理人
主权项
地址
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