Perfectionnement aux dispositifs passe-vues,申请号FR19620896391-传众专利搜索

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发明名称	Perfectionnement aux dispositifs passe-vues
摘要
申请公布号	FR1327969(A)	申请公布日期	1963.05.24
申请号	FR19620896391	申请日期	1962.05.03
申请人		发明人	RIGBY JOHN JOSEPH
分类号	G03B1/18;G03B23/12	主分类号	G03B1/18
代理机构		代理人
主权项
地址

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