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发明名称
An improved plug cock and coupling for gas piping and the like
摘要
申请公布号
GB369402(A)
申请公布日期
1932.03.24
申请号
GB19310008816
申请日期
1931.03.23
申请人
GEORGE RICHARD MORRIS
发明人
分类号
F16L37/00
主分类号
F16L37/00
代理机构
代理人
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