RAILWAY CROSSING BAR,申请号SU19904891047-传众专利搜索

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发明名称	RAILWAY CROSSING BAR
摘要
申请公布号	SU1765048(A1)	申请公布日期	1992.09.30
申请号	SU19904891047	申请日期	1990.12.17
申请人	SHUMEJKO VASILIJ A,SU	发明人	SHUMEJKO VASILIJ A,SU
分类号	B61L29/04	主分类号	B61L29/04
代理机构		代理人
主权项
地址

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