Предохранительное устройство для открытых паровых котлов,申请号SU19290052659-传众专利搜索

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发明名称	Предохранительное устройство для открытых паровых котлов
摘要
申请公布号	SU20092(A1)	申请公布日期	1931.04.30
申请号	SU19290052659	申请日期	1929.08.09
申请人	MATROSOV A.G.	发明人	MATROSOV A.G.
分类号	F22B37/46;F16K17/02	主分类号	F22B37/46
代理机构		代理人
主权项
地址

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