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发明名称
Pivotal sash window
摘要
申请公布号
US1825587(A)
申请公布日期
1931.09.29
申请号
US19300464402
申请日期
1930.06.27
申请人
THOMAS FISK ERNEST
发明人
FISK ERNEST THOMAS
分类号
E06B3/34;E06B3/38;E06B5/20
主分类号
E06B3/34
代理机构
代理人
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地址
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