Optical tracing member adapted for use with planimeters and other tracing instruments,申请号GB19450002119-传众专利搜索

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发明名称	Optical tracing member adapted for use with planimeters and other tracing instruments
摘要
申请公布号	GB602799(A)	申请公布日期	1948.06.03
申请号	GB19450002119	申请日期	1945.01.26
申请人	KERN & CO. LTD.	发明人
分类号	G01B5/26	主分类号	G01B5/26
代理机构		代理人
主权项
地址

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