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经营范围
发明名称
Sash balance casing
摘要
申请公布号
US2190097(A)
申请公布日期
1940.02.13
申请号
US19380184515
申请日期
1938.01.12
申请人
DAUTRICK OWEN L
发明人
DAUTRICK OWEN L.
分类号
E05D13/00
主分类号
E05D13/00
代理机构
代理人
主权项
地址
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