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发明名称
Curtain stretcher
摘要
申请公布号
US2241895(A)
申请公布日期
1941.05.13
申请号
US19390297690
申请日期
1939.10.03
申请人
WALKER JOHN S;WALKER ALVERNA M
发明人
WALKER JOHN S.;WALKER ALVERNA M.
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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