ELECTRIC RAILROAD SWITCHES CONTROL SYSTEM,申请号PL19850253834-传众专利搜索

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发明名称	ELECTRIC RAILROAD SWITCHES CONTROL SYSTEM
摘要
申请公布号	PL150140(B1)	申请公布日期	1990.04.30
申请号	PL19850253834	申请日期	1985.06.04
申请人		发明人
分类号	B61L;B61L7/08;(IPC1-7):B61L7/08	主分类号	B61L
代理机构		代理人
主权项
地址

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