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经营范围
发明名称
Improvements in or relating to telescopic drawing board easels
摘要
申请公布号
GB439412(A)
申请公布日期
1935.12.05
申请号
GB19350014833
申请日期
1935.05.21
申请人
HOLMES BROTHERS (LONDON) LIMITED;HERBERT HOLMES
发明人
分类号
A47B27/14
主分类号
A47B27/14
代理机构
代理人
主权项
地址
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