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发明名称
Method of making three dimensional models
摘要
申请公布号
US2977228(A)
申请公布日期
1961.03.28
申请号
US19570704204
申请日期
1957.12.20
申请人
THE SPERRY RAND CORPORATION
发明人
GOLD EDWARD;BOMZER HERBERT W.
分类号
G09B9/54;G09B25/06
主分类号
G09B9/54
代理机构
代理人
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