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经营范围
发明名称
Manufacture of pipes and tubes
摘要
申请公布号
GB624446(A)
申请公布日期
1949.06.08
申请号
GB19460030187
申请日期
1946.10.09
申请人
WILFRED RUPERT YEATS
发明人
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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