MINE VENTILATION DOOR,申请号SU19813365808-传众专利搜索

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法人/股东/高管

发明名称	MINE VENTILATION DOOR
摘要
申请公布号	SU1029683(A1)	申请公布日期	1983.12.30
申请号	SU19813365808	申请日期	1981.12.17
申请人	PETROV V.I.,SU;KAMNEV E.N.,SU;RUDCHENKO A.V.,SU;SHCHUKIN V.P.,SU	发明人	PETROV V.I.,SU;KAMNEV E.N.,SU;RUDCHENKO A.V.,SU;SHCHUKIN V.P.,SU
分类号	E21F1/14;(IPC1-7):E21F1/14	主分类号	E21F1/14
代理机构		代理人
主权项
地址

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