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发明名称
Width-maintaining wheel
摘要
申请公布号
US1759225(A)
申请公布日期
1930.05.20
申请号
US19250056173
申请日期
1925.09.14
申请人
LIBBEY-OWENS GLASS COMPANY
发明人
DRAKE JOHN L.
分类号
C03B15/18
主分类号
C03B15/18
代理机构
代理人
主权项
地址
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