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发明名称
Chart holder and marking guide
摘要
申请公布号
US2226906(A)
申请公布日期
1940.12.31
申请号
US19390301904
申请日期
1939.10.30
申请人
HENDERSON DONALD E;SHADICK ERNEST L
发明人
HENDERSON DONALD E.;SHADICK ERNEST L.
分类号
A47B97/02;B43L13/00
主分类号
A47B97/02
代理机构
代理人
主权项
地址
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