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经营范围
发明名称
PIPE FITTING
摘要
申请公布号
GB9018255(D0)
申请公布日期
1990.10.03
申请号
GB19900018255
申请日期
1990.08.20
申请人
BRITISH GAS PLC
发明人
分类号
F16L55/46;G01M3/00
主分类号
F16L55/46
代理机构
代理人
主权项
地址
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