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发明名称
ROTARY SEAL
摘要
申请公布号
US3567232(A)
申请公布日期
1971.03.02
申请号
USD3567232
申请日期
1968.10.30
申请人
CITIES SERVICE CO.
发明人
RAY M. RICKERSON
分类号
F16J15/24;(IPC1-7):F16J15/16
主分类号
F16J15/24
代理机构
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