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经营范围
发明名称
Gilled metal tubes
摘要
申请公布号
GB762320(A)
申请公布日期
1956.11.28
申请号
GB19540018661
申请日期
1954.06.25
申请人
WELLINGTON TUBE WORKS LIMITED
发明人
HENLEY JOHN ALLEN;HADDON HARRY PERCIVAL
分类号
B21C37/24
主分类号
B21C37/24
代理机构
代理人
主权项
地址
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