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发明名称
Window shutter
摘要
申请公布号
US2102156(A)
申请公布日期
1937.12.14
申请号
US19370146056
申请日期
1937.06.02
申请人
KALB SR FRANK
发明人
SR. FRANK KALB,
分类号
E06B7/082
主分类号
E06B7/082
代理机构
代理人
主权项
地址
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