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经营范围
发明名称
VALVES
摘要
申请公布号
GB1559848(A)
申请公布日期
1980.01.30
申请号
GB19750050179
申请日期
1976.10.25
申请人
BRITISH PETROLEUM CO LTD
发明人
分类号
F16K31/08;F16K31/22;(IPC1-7):F16K31/06
主分类号
F16K31/08
代理机构
代理人
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地址
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