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发明名称
Screen
摘要
申请公布号
US2251415(A)
申请公布日期
1941.08.05
申请号
US19390260929
申请日期
1939.03.10
申请人
BUEL E. HUTCHINSON
发明人
O'DONNELL THOMAS J.
分类号
A47H27/00;E06B9/52
主分类号
A47H27/00
代理机构
代理人
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地址
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