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发明名称
Improvements relating to the manufacture of flexible metal tubes
摘要
申请公布号
GB528392(A)
申请公布日期
1940.10.29
申请号
GB19390013472
申请日期
1939.05.05
申请人
THE POWER FLEXIBLE TUBING COMPANY LIMITED
发明人
分类号
B21C37/12
主分类号
B21C37/12
代理机构
代理人
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