Safety device, especially for coal-cutting machines,申请号GB19590008027-传众专利搜索

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发明名称	Safety device, especially for coal-cutting machines
摘要
申请公布号	GB842137(A)	申请公布日期	1960.07.20
申请号	GB19590008027	申请日期	1959.03.09
申请人	SOCIETE D'APPLICATIONS GENERALES D'ELECTRICITE ET DE MECHANIQUE S.A.G.E.M.	发明人
分类号	E21C35/04	主分类号	E21C35/04
代理机构		代理人
主权项
地址

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