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发明名称
INNENNUTEN-FORMVORRICHTUNG FUER WAERMETAUSCHERROHRE
摘要
申请公布号
DE2741799(A1)
申请公布日期
1978.11.02
申请号
DE19772741799
申请日期
1977.09.16
申请人
HITACHI,LTD.
发明人
OCHIAI,IZUMI;MIYAGI,MASAHIRO;WAKABAYASHI,YOICHI
分类号
B21C1/22;B21C23/10;B21C37/20;B21D17/00;B21D53/06;B21H3/00;B21H7/18;(IPC1-7):B21C37/20
主分类号
B21C1/22
代理机构
代理人
主权项
地址
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