VERFAHREN ZUR HERSTELLUNG OPTISCHER FILTERMASKEN,申请号DD19770199440-传众专利搜索

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发明名称	VERFAHREN ZUR HERSTELLUNG OPTISCHER FILTERMASKEN
摘要
申请公布号	DD131680(A1)	申请公布日期	1978.07.12
申请号	DD19770199440	申请日期	1977.06.06
申请人	KOCH,ECKHARD,DD	发明人	KOCH,ECKHARD,DD
分类号	G02B5/28;(IPC1-7):G02B5/28	主分类号	G02B5/28
代理机构		代理人
主权项
地址

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