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发明名称
Improvements relating to apparatus for making flexible metal tubes
摘要
申请公布号
GB649781(A)
申请公布日期
1951.01.31
申请号
GB19470032514
申请日期
1947.12.09
申请人
CHICAGO METAL HOSE CORPORATION
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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