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发明名称
Oil ring
摘要
申请公布号
US3212785(A)
申请公布日期
1965.10.19
申请号
US19640337438
申请日期
1964.01.13
申请人
MUSKEGON PISTON RING COMPANY
发明人
HAMM DOUGLAS W.
分类号
F16J9/20
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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