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发明名称
PRODUCTION OF HEAT EXCHANGER
摘要
申请公布号
JPH06246378(A)
申请公布日期
1994.09.06
申请号
JP19930038152
申请日期
1993.02.26
申请人
SHOWA ALUM CORP
发明人
OHASHI TADAO
分类号
B21D7/08;B21D53/08;B23K1/00;(IPC1-7):B21D53/08
主分类号
B21D7/08
代理机构
代理人
主权项
地址
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