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发明名称
FRAMELESS WINDOW SCREENS
摘要
申请公布号
CA470008(A)
申请公布日期
1950.12.12
申请号
CAD470008
申请日期
申请人
THE COLUMBIA MILLS
发明人
FRED J. BURNS
分类号
主分类号
代理机构
代理人
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