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经营范围
发明名称
Improvements in or relating to the manufacture of steel tubes and tubular articles
摘要
申请公布号
GB436500(A)
申请公布日期
1935.10.11
申请号
GB19350010639
申请日期
1935.04.05
申请人
WELLMAN SEAVER ROLLING MILL COMPANY LIMITED;GAVIN SMELLIE MCLAY
发明人
分类号
B21C1/26
主分类号
B21C1/26
代理机构
代理人
主权项
地址
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