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发明名称
Means for anchoring screening
摘要
申请公布号
US2630170(A)
申请公布日期
1953.03.03
申请号
US19510215107
申请日期
1951.03.12
申请人
EWING DEVELOPMENT COMPANY
发明人
EWING WALKLEY B.
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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