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经营范围
发明名称
Improvements in or relating to sealing rings
摘要
申请公布号
GB760310(A)
申请公布日期
1956.10.31
申请号
GB19550000739
申请日期
1955.01.10
申请人
CHARLES LEWIS TANNER
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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