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经营范围
发明名称
Roller window screen
摘要
申请公布号
US2462520(A)
申请公布日期
1949.02.22
申请号
US19470727743
申请日期
1947.02.11
申请人
WILLIAM MARBACH
发明人
MARBACH WILLIAM
分类号
E06B9/54
主分类号
E06B9/54
代理机构
代理人
主权项
地址
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