Improvements relating to sieve cleaning brushes,申请号GB19330030759-传众专利搜索

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发明名称	Improvements relating to sieve cleaning brushes
摘要
申请公布号	GB429502(A)	申请公布日期	1935.05.31
申请号	GB19330030759	申请日期	1934.12.06
申请人	JOHN SPEIGHT;HENRY SIMON LIMITED	发明人
分类号	B07B1/52	主分类号	B07B1/52
代理机构		代理人
主权项
地址

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