发明名称 Copyholding device
摘要 A copyholding device is disclosed of the type having a generally flat, rectangular base assembly intended to underly an associated typewriter or the like; the base assembly operatively supports the lower end of an upright pivotable support column, the upper end of which carries an easel-like support platform which functions to carry worksheets or the like that are to be copied with the typewriter.
申请公布号 US4162055(A) 申请公布日期 1979.07.24
申请号 US19770860600 申请日期 1977.12.14
申请人 SUMMERS, RODNEY 发明人 SUMMERS, RODNEY
分类号 B41J29/15;F16M13/00;(IPC1-7):F16M13/00 主分类号 B41J29/15
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