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经营范围
发明名称
DRAWING AIDS
摘要
申请公布号
GB8600351(D0)
申请公布日期
1986.02.12
申请号
GB19860000351
申请日期
1986.01.08
申请人
RUSSELL, T
发明人
分类号
B43L13/22
主分类号
B43L13/22
代理机构
代理人
主权项
地址
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