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发明名称
Curtain stretcher
摘要
申请公布号
US1855968(A)
申请公布日期
1932.04.26
申请号
US19300446045
申请日期
1930.04.21
申请人
JOHNSON DORA D
发明人
JOHNSON DORA D.
分类号
D06F59/08
主分类号
D06F59/08
代理机构
代理人
主权项
地址
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