Improvements in optical apparatus for testing, comparing and gauging dimensions,申请号GB19310009574-传众专利搜索

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发明名称	Improvements in optical apparatus for testing, comparing and gauging dimensions
摘要
申请公布号	GB375820(A)	申请公布日期	1932.06.30
申请号	GB19310009574	申请日期	1931.03.30
申请人	WALTER HERBERT SMITH;THE PRECISION TOOL AND INSTRUMENT COMPANY LIMITED	发明人
分类号	G02B21/00	主分类号	G02B21/00
代理机构		代理人
主权项
地址

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