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发明名称
Display device
摘要
申请公布号
US2150712(A)
申请公布日期
1939.03.14
申请号
US19370132139
申请日期
1937.03.20
申请人
COOPER FRED C
发明人
COOPER FRED C.
分类号
A47F1/14;B65G1/07
主分类号
A47F1/14
代理机构
代理人
主权项
地址
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