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发明名称
Screen device
摘要
申请公布号
US1913313(A)
申请公布日期
1933.06.06
申请号
US19320610029
申请日期
1932.05.09
申请人
CHARLES H. BEANE
发明人
BROWNE CHARLES A.
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
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