Способ изготовлени трубчатого теплообменника и способ определени герметичности пучка трубчатого теплообменника,申请号SU19823445021-传众专利搜索

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发明名称	Способ изготовлени трубчатого теплообменника и способ определени герметичности пучка трубчатого теплообменника
摘要
申请公布号	RU1071073(C)	申请公布日期	2006.05.27
申请号	SU19823445021	申请日期	1982.06.03
申请人		发明人
分类号	F28F21/08;B21D53/06;F28D7/00;G01M3/32	主分类号	F28F21/08
代理机构		代理人
主权项
地址

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