Improvements in or relating to bonded granular materials,申请号GB19380032899-传众专利搜索

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发明名称	Improvements in or relating to bonded granular materials
摘要
申请公布号	GB521694(A)	申请公布日期	1940.05.29
申请号	GB19380032899	申请日期	1938.11.11
申请人	HERBERT HANS GREGER	发明人
分类号	B01D39/20;B01J20/28;C04B28/34	主分类号	B01D39/20
代理机构		代理人
主权项
地址

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