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发明名称
Curtain roller
摘要
申请公布号
US1856742(A)
申请公布日期
1932.05.03
申请号
US19310506599
申请日期
1931.01.05
申请人
BENZEE KARL A
发明人
BENZEE KARL A.
分类号
E06B9/90
主分类号
E06B9/90
代理机构
代理人
主权项
地址
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