Прибор для проверки герметичности трубопроводов,申请号SU19570568172-传众专利搜索

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发明名称	Прибор для проверки герметичности трубопроводов
摘要
申请公布号	SU109500(A1)	申请公布日期	1957.11.30
申请号	SU19570568172	申请日期	1957.03.05
申请人	LIFSHITS I.S.;MELOV F.M.	发明人	LIFSHITS I.S.;MELOV F.M.
分类号	G01M3/20	主分类号	G01M3/20
代理机构		代理人
主权项
地址

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