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发明名称
Improvements in, or relating to, liquid seals, and the method of manufacture thereof
摘要
申请公布号
GB562767(A)
申请公布日期
1944.07.14
申请号
GB19420015225
申请日期
1942.10.30
申请人
CHARLES JOHN MANSFIELD
发明人
分类号
B63H23/36;F16J15/32
主分类号
B63H23/36
代理机构
代理人
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