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发明名称
Scribe guide
摘要
The invention is a sheet of writing paper that includes horizontal, parallel, equally spaced apart raised ridges for forming writing spaces therebetween, and a raised protrusion indicating the end of each writing space.
申请公布号
US4626219(A)
申请公布日期
1986.12.02
申请号
US19850745842
申请日期
1985.06.17
申请人
GOLDREYER, NED
发明人
GOLDREYER, NED
分类号
G09B11/04;G09B21/00;(IPC1-7):G09B11/04
主分类号
G09B11/04
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