Papierhalter fuer photographische Vergroesserungsgeraete,申请号DE1940ST60216D-传众专利搜索

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发明名称	Papierhalter fuer photographische Vergroesserungsgeraete
摘要
申请公布号	DE725365(C)	申请公布日期	1942.09.19
申请号	DE1940ST60216D	申请日期	1940.11.16
申请人	KARL STARK	发明人	STARK KARL
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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