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发明名称
Soundproof screen room
摘要
申请公布号
US3322879(A)
申请公布日期
1967.05.30
申请号
US19650425029
申请日期
1965.01.12
申请人
LINDGREN ERIK A
发明人
LINDGREN ERIK A.
分类号
G10K11/16;H05K9/00
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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