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发明名称
Hollow glass building block
摘要
申请公布号
US2272061(A)
申请公布日期
1942.02.03
申请号
US19390255722
申请日期
1939.02.10
申请人
LIBBEY-OWENS-FORD GLASS COMPANY
发明人
DRAKE JOHN L.
分类号
E04C1/42
主分类号
E04C1/42
代理机构
代理人
主权项
地址
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