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发明名称
Improvements in or relating to devices for closing the ends of pipework
摘要
申请公布号
GB495895(A)
申请公布日期
1938.11.22
申请号
GB19370019040
申请日期
1937.07.08
申请人
THE LEAD WOOL COMPANY LIMITED;FRANK MOULTON
发明人
分类号
F16J13/06
主分类号
F16J13/06
代理机构
代理人
主权项
地址
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