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经营范围
发明名称
Dispositif d'extraction des tuyaux métalliques et analogues
摘要
申请公布号
FR719015(A)
申请公布日期
1932.02.01
申请号
FRD719015
申请日期
1931.06.23
申请人
W. T. HENLEY'S TELEGRAPH WORKS COMPANY LIMITED
发明人
分类号
B21C23/30
主分类号
B21C23/30
代理机构
代理人
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