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发明名称
Improvements relating to means for connecting gas services to gas mains
摘要
申请公布号
GB746110(A)
申请公布日期
1956.03.07
申请号
GB19540002717
申请日期
1954.01.29
申请人
NORTH WESTERN GAS BOARD;FREDERICK BELL
发明人
分类号
F16L41/04
主分类号
F16L41/04
代理机构
代理人
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地址
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