Method of aiding in the creation of a line rendition in true perspective of an object to be depicted,申请号US19430499288-传众专利搜索

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发明名称	Method of aiding in the creation of a line rendition in true perspective of an object to be depicted
摘要
申请公布号	US2381165(A)	申请公布日期	1945.08.07
申请号	US19430499288	申请日期	1943.08.19
申请人	HOFFMAN EDWARD C	发明人	HOFFMAN EDWARD C.
分类号	B43L13/14	主分类号	B43L13/14
代理机构		代理人
主权项
地址

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