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经营范围
发明名称
Improvements in connectors for flexible pipes
摘要
申请公布号
GB619303(A)
申请公布日期
1949.03.07
申请号
GB19470005352
申请日期
1947.02.24
申请人
DAVID HEPBURN
发明人
分类号
B60S5/04;F16L37/05
主分类号
B60S5/04
代理机构
代理人
主权项
地址
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