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经营范围
发明名称
Improvements in pipe connections
摘要
申请公布号
GB371566(A)
申请公布日期
1932.04.28
申请号
GB19310009286
申请日期
1931.03.26
申请人
THE ECONOMICAL BOILER WASHING COMPANY, LIMITED;ERNEST JOHN HENRY SOUTH
发明人
分类号
F16L23/00
主分类号
F16L23/00
代理机构
代理人
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地址
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