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发明名称
Improvements in valve-fitted pipe couplings
摘要
申请公布号
GB813194(A)
申请公布日期
1959.05.13
申请号
GB19560026998
申请日期
1956.09.04
申请人
FEENY AND JOHNSON LIMITED
发明人
JOHNSON MALCOLM EDWARD
分类号
F16L37/23;F16L37/40
主分类号
F16L37/23
代理机构
代理人
主权项
地址
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