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发明名称
Display device
摘要
申请公布号
US1850184(A)
申请公布日期
1932.03.22
申请号
US19310526221
申请日期
1931.03.30
申请人
SPAINHOWER WALTER M
发明人
SPAINHOWER WALTER M.
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
主权项
地址
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