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发明名称
Piston ring
摘要
申请公布号
US1883448(A)
申请公布日期
1932.10.18
申请号
US19300494684
申请日期
1930.11.10
申请人
PETER KANE
发明人
ANDREASEN WALTER R. G.;TOLEMAN CLIFFORD A.
分类号
F16J9/06
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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