Scale and attachment for reducing and enlarging cameras,申请号US19270238355-传众专利搜索

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法人/股东/高管

发明名称	Scale and attachment for reducing and enlarging cameras
摘要
申请公布号	US1755177(A)	申请公布日期	1930.04.22
申请号	US19270238355	申请日期	1927.12.07
申请人	ARTHUR FRUWIRTH	发明人	FRUWIRTH ARTHUR
分类号	G03B27/34	主分类号	G03B27/34
代理机构		代理人
主权项
地址

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