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发明名称
Shade roller
摘要
申请公布号
US1854959(A)
申请公布日期
1932.04.19
申请号
US19310555194
申请日期
1931.08.05
申请人
STAY-PUT SHADE ROLLER CORPORATION
发明人
SCHMELZ CHARLES F.
分类号
E06B9/50
主分类号
E06B9/50
代理机构
代理人
主权项
地址
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