Improved means for measuring the amount of depression of railway sleepers under loadto determine the deficiency of ballast,申请号GB19550005875-传众专利搜索

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发明名称	Improved means for measuring the amount of depression of railway sleepers under loadto determine the deficiency of ballast
摘要
申请公布号	GB772767(A)	申请公布日期	1957.04.17
申请号	GB19550005875	申请日期	1955.02.28
申请人	ABTUS LIMITED	发明人	TUSTAIN IVY
分类号	E01B35/00;E01B35/12	主分类号	E01B35/00
代理机构		代理人
主权项
地址

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