TROUGH-SHAPED MINE SUPPORT SECTION ESPECIALLY FOR USE IN ANNULAR OR ARCH-SHAPED GALLERY SUPPORTS,申请号CAD737662-传众专利搜索

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发明名称	TROUGH-SHAPED MINE SUPPORT SECTION ESPECIALLY FOR USE IN ANNULAR OR ARCH-SHAPED GALLERY SUPPORTS
摘要
申请公布号	CA737662(A)	申请公布日期	1966.07.05
申请号	CAD737662	申请日期
申请人	BOCHUMER EISENHUTTE HEINTZMANN AND CO.;UNION SIDERURGIQUE DU NORD DE LA FRANCE	发明人	RUDOLF SEIZ;ERWIN BLENKLE
分类号		主分类号
代理机构		代理人
主权项
地址

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