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发明名称
Writing or drawing implement
摘要
申请公布号
GB2084518(A)
申请公布日期
1982.04.15
申请号
GB19810030359
申请日期
1981.10.07
申请人
BENNETT JOHN
发明人
分类号
B43K31/00;G01B3/08;G01B3/46;(IPC1-7):B43K29/08
主分类号
B43K31/00
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