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发明名称
Illuminated globe
摘要
申请公布号
US2175091(A)
申请公布日期
1939.10.03
申请号
US19360080291
申请日期
1936.05.18
申请人
THE GEO. F. CRAM COMPANY
发明人
PETERSON EDWARD A.
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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