Improvements in and relating to speed indicators and recorders,申请号GB19490021537-传众专利搜索

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发明名称	Improvements in and relating to speed indicators and recorders
摘要
申请公布号	GB665669(A)	申请公布日期	1952.01.30
申请号	GB19490021537	申请日期	1949.08.18
申请人	EVERETT, EDGCUMBE & COMPANY LIMITED;FRANCIS ROY AXWORTHY	发明人
分类号	G01P11/00	主分类号	G01P11/00
代理机构		代理人
主权项
地址

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