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发明名称
Window
摘要
申请公布号
US2027556(A)
申请公布日期
1936.01.14
申请号
US19340718603
申请日期
1934.04.02
申请人
SELIGMAN DAVID A
发明人
SELIGMAN DAVID A.
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
地址
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