PNEUMATIC SIGNALLING DEVICE,申请号SU19802961372-传众专利搜索

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发明名称	PNEUMATIC SIGNALLING DEVICE
摘要
申请公布号	SU955145(A1)	申请公布日期	1982.08.30
申请号	SU19802961372	申请日期	1980.07.15
申请人	GRISHIN LEV,SU	发明人	GRISHIN LEV I,SU
分类号	G08B19/00;(IPC1-7):G08B19/00	主分类号	G08B19/00
代理机构		代理人
主权项
地址

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