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经营范围
发明名称
PIPE COUPLINGS
摘要
申请公布号
GB1472750(A)
申请公布日期
1977.05.04
申请号
GB19730056926
申请日期
1973.12.07
申请人
EMCO WHEATON UK LTD
发明人
分类号
F16L23/06;F16L27/08;(IPC1-7):F16L27/08;F16L37/10
主分类号
F16L23/06
代理机构
代理人
主权项
地址
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