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发明名称
Drawing-tables with vertically adjustable drawing-board
摘要
申请公布号
US3043048(A)
申请公布日期
1962.07.10
申请号
US19590843480
申请日期
1959.09.30
申请人
GOTTHOLD BERGMAN PER
发明人
BERGMAN PER GOTTHOLD
分类号
A47B27/08
主分类号
A47B27/08
代理机构
代理人
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