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发明名称
Angularly adjustable drafting tables
摘要
申请公布号
US3232248(A)
申请公布日期
1966.02.01
申请号
US19630266243
申请日期
1963.03.19
申请人
JOHN GELB
发明人
GELB JOHN
分类号
A47B27/18
主分类号
A47B27/18
代理机构
代理人
主权项
地址
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