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发明名称
Artist Relative Measure Device
摘要
This invention provides a series of evenly spaced marks disposed on an art implement handle which allow an artist to accurately compare the relative sizes of different portions of their subjects so that they may depict them to scale.
申请公布号
US2011146096(A1)
申请公布日期
2011.06.23
申请号
US20090642801
申请日期
2009.12.19
申请人
PANNO NICHOLAS
发明人
PANNO NICHOLAS
分类号
G01D21/00;B23B3/36
主分类号
G01D21/00
代理机构
代理人
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