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发明名称
Improvements in cleanable drawing panels
摘要
申请公布号
GB2132945(A)
申请公布日期
1984.07.18
申请号
GB19820035188
申请日期
1982.12.09
申请人
SARAH JANE * LEAR
发明人
SARAH JANE * LEAR
分类号
B43L1/06;(IPC1-7):B43L1/00
主分类号
B43L1/06
代理机构
代理人
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