Barrière de sécurité,申请号FR19660065915-传众专利搜索

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发明名称	Barrière de sécurité
摘要
申请公布号	FR1486538(A)	申请公布日期	1967.06.30
申请号	FR19660065915	申请日期	1966.06.17
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	JEHU VICTOR JAMES;PEARSON LEONARD CHARLES
分类号	E01F7/06;E01F15/04	主分类号	E01F7/06
代理机构		代理人
主权项
地址

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