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发明名称
Grille core
摘要
申请公布号
US2245908(A)
申请公布日期
1941.06.17
申请号
US19370170752
申请日期
1937.10.25
申请人
BARBER-COLMAN COMPANY
发明人
DRAKE GEORGE FORREST
分类号
E06B7/082
主分类号
E06B7/082
代理机构
代理人
主权项
地址
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