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经营范围
发明名称
Large diameter high pressure pipe couplings
摘要
申请公布号
GB655866(A)
申请公布日期
1951.08.01
申请号
GB19480022171
申请日期
1948.08.23
申请人
DRESSER INDUSTRIES, INC.
发明人
分类号
F16L21/04
主分类号
F16L21/04
代理机构
代理人
主权项
地址
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