Improvements in or relating to wellpoints,申请号GB19510002472-传众专利搜索

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发明名称	Improvements in or relating to wellpoints
摘要
申请公布号	GB697347(A)	申请公布日期	1953.09.23
申请号	GB19510002472	申请日期	1951.01.31
申请人	GEORGE WIMPEY AND COMPANY LIMITED;FRANK JOHN VOLLER	发明人
分类号	E03B3/12	主分类号	E03B3/12
代理机构		代理人
主权项
地址

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