Waermeaustauscher,申请号DE193800A7990D-传众专利搜索

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发明名称	Waermeaustauscher
摘要
申请公布号	DE691352(C)	申请公布日期	1940.05.23
申请号	DE193800A7990D	申请日期	1938.08.31
申请人	NIKOLAI AHLMANN	发明人	AHLMANN NIKOLAI
分类号	F28D3/00	主分类号	F28D3/00
代理机构		代理人
主权项
地址

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