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发明名称
Parallel straightedge
摘要
申请公布号
US2102008(A)
申请公布日期
1937.12.14
申请号
US19360071676
申请日期
1936.03.30
申请人
THE A. LIETZ COMPANY
发明人
KLITSCHE LEO H.
分类号
B43L13/04
主分类号
B43L13/04
代理机构
代理人
主权项
地址
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