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发明名称
Finned tube and process and apparatus for making the tube
摘要
申请公布号
GB2011601(A)
申请公布日期
1979.07.11
申请号
GB19780030321
申请日期
1978.07.19
申请人
WIELAND WERKE AG
发明人
分类号
B21C37/20;B21H3/00;B23P15/26;F28F1/26;F28F1/36;F28F13/18;(IPC1-7):F28F1/12;B21B19/16
主分类号
B21C37/20
代理机构
代理人
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地址
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