Microphotograph carrier,申请号US19520285877-传众专利搜索

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发明名称	Microphotograph carrier
摘要
申请公布号	US2724988(A)	申请公布日期	1955.11.29
申请号	US19520285877	申请日期	1952.05.03
申请人	NORTHERN ENGRAVING & MANUFACTURING CO.	发明人	PETERS EDWARD OTTO
分类号	G03B21/11	主分类号	G03B21/11
代理机构		代理人
主权项
地址

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