PHOTOGRAPHIC MARKING DEVICES,申请号GB19690020307-传众专利搜索

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发明名称	PHOTOGRAPHIC MARKING DEVICES
摘要
申请公布号	GB1255202(A)	申请公布日期	1971.12.01
申请号	GB19690020307	申请日期	1969.04.21
申请人	SOCIETA' PER AZIONI FERRANIA	发明人
分类号	G03B17/24	主分类号	G03B17/24
代理机构		代理人
主权项
地址

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