Apparatus for mechanically operating level crossing gates,申请号US19360089274-传众专利搜索

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发明名称	Apparatus for mechanically operating level crossing gates
摘要
申请公布号	US2131989(A)	申请公布日期	1938.10.04
申请号	US19360089274	申请日期	1936.07.07
申请人	ZAKY TADROS	发明人	TADROS ZAKY
分类号	B61L29/20	主分类号	B61L29/20
代理机构		代理人
主权项
地址

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