Improvements in optical glasses,申请号GB19320020671-传众专利搜索

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发明名称	Improvements in optical glasses
摘要
申请公布号	GB408993(A)	申请公布日期	1934.04.23
申请号	GB19320020671	申请日期	1932.07.22
申请人	JENAER GLASWERK SCHOTT & GEN.	发明人
分类号	C03C3/062;C03C3/066;C03C3/07;C03C3/091;C03C3/102	主分类号	C03C3/062
代理机构		代理人
主权项
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