Improvements in and relating to devices for testing grain,申请号GB19290030891-传众专利搜索

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发明名称	Improvements in and relating to devices for testing grain
摘要
申请公布号	GB339054(A)	申请公布日期	1930.12.04
申请号	GB19290030891	申请日期	1929.10.11
申请人	RICHARD DOBSON	发明人
分类号	G01N33/10	主分类号	G01N33/10
代理机构		代理人
主权项
地址

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