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经营范围
发明名称
Annular fluid seals
摘要
申请公布号
US4403780(A)
申请公布日期
1983.09.13
申请号
US19810283626
申请日期
1981.07.15
申请人
J. H. FENNER & CO. LTD.
发明人
POTTER, CHARLES W.
分类号
F16J15/36;(IPC1-7):F16J15/34
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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