FREIN DE SURETE POUR RAMES DE MINES,申请号BE19720780692-传众专利搜索

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发明名称	FREIN DE SURETE POUR RAMES DE MINES
摘要
申请公布号	BE780692(A1)	申请公布日期	1972.07.03
申请号	BE19720780692	申请日期	1972.03.15
申请人	HOFFMANN DIETER, 432 HATTINGEN AM RUHRBLICK 16, (ALLEMAGNE),	发明人
分类号	B61B9/00;B61H9/02;B61K7/02;(IPC1-7):E21F/;B60T/	主分类号	B61B9/00
代理机构		代理人
主权项
地址

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