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经营范围
发明名称
Sealing devices
摘要
申请公布号
GB2035472(A)
申请公布日期
1980.06.18
申请号
GB19790034602
申请日期
1979.10.05
申请人
RANSOME HOFFMANN POLLARD LTD
发明人
分类号
F16J15/40;F16J15/447;(IPC1-7):F16J15/44
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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