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发明名称
WINDOW LIFTERS AND TURNERS
摘要
申请公布号
CA471473(A)
申请公布日期
1951.02.13
申请号
CAD471473
申请日期
申请人
ERNEST C. POLLARD
发明人
ERNEST C. POLLARD
分类号
主分类号
代理机构
代理人
主权项
地址
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