Прибор для определения запыленности воздуха,申请号SU19480374025-传众专利搜索

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发明名称	Прибор для определения запыленности воздуха
摘要
申请公布号	SU75458(A1)	申请公布日期	1948.11.30
申请号	SU19480374025	申请日期	1948.02.05
申请人	PAVLOVSKIJ I.V.	发明人	PAVLOVSKIJ I.V.
分类号	G01N15/10;G01N1/36	主分类号	G01N15/10
代理机构		代理人
主权项
地址

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