Improvements in or relating to plumb-bobs for use with measuring tapes,申请号GB19300020494-传众专利搜索

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发明名称	Improvements in or relating to plumb-bobs for use with measuring tapes
摘要
申请公布号	GB356370(A)	申请公布日期	1931.09.10
申请号	GB19300020494	申请日期	1930.07.07
申请人	JOHN RABONE & SONS LIMITED;JOHN ARROWSMITH BEST	发明人
分类号	G01B3/10	主分类号	G01B3/10
代理机构		代理人
主权项
地址

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