Perfectionnements aux filtres infrarouges,申请号FR19600837988-传众专利搜索

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发明名称	Perfectionnements aux filtres infrarouges
摘要
申请公布号	FR1271311(A)	申请公布日期	1961.09.08
申请号	FR19600837988	申请日期	1960.09.07
申请人	BARR & STROUD LIMITED	发明人
分类号	G02B27/28	主分类号	G02B27/28
代理机构		代理人
主权项
地址

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