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经营范围
发明名称
Detachable window screen
摘要
申请公布号
US2568139(A)
申请公布日期
1951.09.18
申请号
US19490114668
申请日期
1949.09.08
申请人
BEHNKE WILLIAM A
发明人
BEHNKE WILLIAM A.
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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