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经营范围
发明名称
Window ventilator
摘要
申请公布号
US2706443(A)
申请公布日期
1955.04.19
申请号
US19500176321
申请日期
1950.07.28
申请人
MEADOR WILLIAM A
发明人
MEADOR WILLIAM A.
分类号
E06B7/03
主分类号
E06B7/03
代理机构
代理人
主权项
地址
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