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发明名称
A new or improved pipe-sealing clamp
摘要
申请公布号
GB571373(A)
申请公布日期
1945.08.22
申请号
GB19430019099
申请日期
1943.11.16
申请人
ERNEST SUMMERFIELD
发明人
分类号
F16L55/115
主分类号
F16L55/115
代理机构
代理人
主权项
地址
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