Improvements relating to gully boxes,申请号GB19530017922-传众专利搜索

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发明名称	Improvements relating to gully boxes
摘要
申请公布号	GB721012(A)	申请公布日期	1954.12.29
申请号	GB19530017922	申请日期	1953.06.29
申请人	ARTHUR SPENCER	发明人
分类号	E03F5/04	主分类号	E03F5/04
代理机构		代理人
主权项
地址

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