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经营范围
发明名称
Drawing and sketching aid
摘要
申请公布号
GB0116100(D0)
申请公布日期
2001.08.22
申请号
GB20010016100
申请日期
2001.07.02
申请人
WOOD, JOHN
发明人
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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