Improvements in signal lamp apparatus more particularly for use on railways,申请号GB19330029006-传众专利搜索

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发明名称	Improvements in signal lamp apparatus more particularly for use on railways
摘要
申请公布号	GB416959(A)	申请公布日期	1934.09.25
申请号	GB19330029006	申请日期	1933.10.19
申请人	CORNING GLASS WORKS	发明人
分类号	B60Q1/26;B61L29/24	主分类号	B60Q1/26
代理机构		代理人
主权项
地址

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