Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses,申请号IT1991FI00015-传众专利搜索

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发明名称	Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses
摘要
申请公布号	IT1246662(B)	申请公布日期	1994.11.24
申请号	IT1991FI00015	申请日期	1991.01.18
申请人	NICCOLI ALESSANDRO;NALDONI SERGIO	发明人	NICCOLI ALESSANDRO;NALDONI SERGIO
分类号	B61D;(IPC1-7):B61D	主分类号	B61D
代理机构		代理人
主权项
地址

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