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发明名称
COMPRESSION PISTON RING ASSEMBLY
摘要
申请公布号
US3456954(A)
申请公布日期
1969.07.22
申请号
USD3456954
申请日期
1968.02.19
申请人
RAMSEY CORP.
发明人
HERBERT F. PRASSE;DONALD J. MAYHEW
分类号
F16J9/00;(IPC1-7):F16J9/06;F16J9/02;F16J9/12
主分类号
F16J9/00
代理机构
代理人
主权项
地址
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