A new or improved cover for silos,申请号GB19410012916-传众专利搜索

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发明名称	A new or improved cover for silos
摘要
申请公布号	GB550885(A)	申请公布日期	1943.01.28
申请号	GB19410012916	申请日期	1941.10.07
申请人	COURTNEY HAROLD PIGGOTT	发明人
分类号	A01F25/13	主分类号	A01F25/13
代理机构		代理人
主权项
地址

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