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经营范围
发明名称
Blind having relatively adjustable slats
摘要
申请公布号
US2903057(A)
申请公布日期
1959.09.08
申请号
US19580742215
申请日期
1958.06.16
申请人
ALFONSO ALVAREZ
发明人
ALVAREZ ALFONSO
分类号
E06B9/34
主分类号
E06B9/34
代理机构
代理人
主权项
地址
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