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经营范围
发明名称
Globe movable in meridian
摘要
申请公布号
US1822353(A)
申请公布日期
1931.09.08
申请号
US19300418446
申请日期
1930.01.04
申请人
WEBER COSTELLO COMPANY
发明人
LAWTON ROBERT B.
分类号
G09B27/08
主分类号
G09B27/08
代理机构
代理人
主权项
地址
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