DISPOSITIVO CROMOVISORE A LIQUIDI IMMISCIBILI.,申请号IT19860022653U-传众专利搜索

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发明名称	DISPOSITIVO CROMOVISORE A LIQUIDI IMMISCIBILI.
摘要
申请公布号	IT209258(Z2)	申请公布日期	1988.09.20
申请号	IT19860022653U	申请日期	1986.07.25
申请人	BERTIN ENRICO	发明人
分类号	G09B;(IPC1-7):G09B/	主分类号	G09B
代理机构		代理人
主权项
地址

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