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发明名称
Doorway closure
摘要
申请公布号
US2315953(A)
申请公布日期
1943.04.06
申请号
US19420430375
申请日期
1942.02.11
申请人
GOUDIE CHARLES R
发明人
GOUDIE CHARLES R.
分类号
E06B3/01
主分类号
E06B3/01
代理机构
代理人
主权项
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