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发明名称
FRICTION SHOES FOR WINDOW SASHES
摘要
申请公布号
CA473437(A)
申请公布日期
1951.05.08
申请号
CAD473437
申请日期
申请人
DUPLEX INCORPORATED
发明人
FRED BOOTH, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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