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发明名称
TUBE AND TUBE PLATE ASSEMBLIES FOR HEAT EXCHANGERS
摘要
申请公布号
GB1416746(A)
申请公布日期
1975.12.03
申请号
GB19730019746
申请日期
1973.04.25
申请人
DES USINES CHAUSSON SA
发明人
分类号
B21D39/06;B21D53/08;F28F9/16;F28F9/18;(IPC1-7):F16L41/08;B23K1/12;B23K31/00
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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