Refractometer,申请号US19340707379-传众专利搜索

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发明名称	Refractometer
摘要
申请公布号	US1968202(A)	申请公布日期	1934.07.31
申请号	US19340707379	申请日期	1934.01.19
申请人	FIRM CARL ZEISS	发明人	HANSEN GERHARD
分类号	G01N21/43	主分类号	G01N21/43
代理机构		代理人
主权项
地址

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