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发明名称
SELF-CLEANING PISTON RING
摘要
申请公布号
CA718678(A)
申请公布日期
1965.09.28
申请号
CAD718678
申请日期
申请人
SEALED POWER CORPORATION
发明人
LEWIS M. DAVIS
分类号
主分类号
代理机构
代理人
主权项
地址
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