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发明名称
Display device
摘要
申请公布号
US1941838(A)
申请公布日期
1934.01.02
申请号
US19290372609
申请日期
1929.06.21
申请人
HYAMS HERBERT B
发明人
HYAMS HERBERT B.
分类号
A47B57/04;A47F3/00
主分类号
A47B57/04
代理机构
代理人
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