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发明名称
Finned tube walls
摘要
申请公布号
GB1099080(A)
申请公布日期
1968.01.17
申请号
GB19650055346
申请日期
1965.12.31
申请人
VEREINIGTE KESSELWERKE A.G.
发明人
分类号
B21C37/15;B21D53/06;B23K9/00;F22B37/10
主分类号
B21C37/15
代理机构
代理人
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地址
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