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发明名称
Method of forming composite integral finned tubing
摘要
申请公布号
GB673885(A)
申请公布日期
1952.06.11
申请号
GB19500012337
申请日期
1950.05.17
申请人
CALUMET AND HECLA CONSOLIDATED COPPER COMPANY
发明人
HILL WALTER PEARL
分类号
B21C37/20;F28F1/00
主分类号
B21C37/20
代理机构
代理人
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