ELECTRONIC SYSTEM FOR DETERMINATION OF VIBRATION DAMPING LOGARITHMIC DECREMENT;PARTICULARLY IN RAILWAY CROSS-SILLS,申请号PL19770202438-传众专利搜索

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发明名称	ELECTRONIC SYSTEM FOR DETERMINATION OF VIBRATION DAMPING LOGARITHMIC DECREMENT;PARTICULARLY IN RAILWAY CROSS-SILLS
摘要
申请公布号	PL110815(B1)	申请公布日期	1980.08.30
申请号	PL19770202438	申请日期	1977.11.26
申请人		发明人
分类号	G01H3/12;(IPC1-7):G01M7/00	主分类号	G01H3/12
代理机构		代理人
主权项
地址

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