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发明名称
Thermostatic window ventilator
摘要
申请公布号
US2552735(A)
申请公布日期
1951.05.15
申请号
US19480040289
申请日期
1948.07.23
申请人
RAWSON HAROLD R
发明人
RAWSON HAROLD R.
分类号
E05F1/00;F24F11/053;G05D23/12
主分类号
E05F1/00
代理机构
代理人
主权项
地址
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