Электробур для проведения выработок на уголь,申请号SU19330126123-传众专利搜索

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发明名称	Электробур для проведения выработок на уголь
摘要
申请公布号	SU37044(A1)	申请公布日期	1934.06.30
申请号	SU19330126123	申请日期	1933.03.26
申请人	AVERYANOV I.P.	发明人	AVERYANOV I.P.
分类号	E21B3/00	主分类号	E21B3/00
代理机构		代理人
主权项
地址

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COMPOSITE OXIDE FOR EXHAUST-GAS PURIFICATION CATALYST, PROCESS FOR PRODUCING SAME, COATING MATERIAL FOR EXHAUST-GAS PURIFICATION CATALYST, AND FILTER FOR DIESEL EXHAUST-GAS PURIFICATION