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发明名称
Screen
摘要
申请公布号
US1811553(A)
申请公布日期
1931.06.23
申请号
US19300457980
申请日期
1930.05.31
申请人
MCELYEA BARNEY E
发明人
MCELYEA BARNEY E.
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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