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发明名称
Verfahren zum Herstellen von Wärmeaustauschelementen und hiebei verwendete Drahtwendel sowie Verfahren zu deren Herstellung
摘要
申请公布号
AT229114(B)
申请公布日期
1963.08.26
申请号
AT19620003635
申请日期
1962.05.04
申请人
FRANCISCUS ROFFELSEN
发明人
FRANCISCUS ROFFELSEN
分类号
主分类号
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代理人
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