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发明名称
PLANETARIUM USING A RECTANGULAR COORDINATE SYSTEM
摘要
申请公布号
CA833831(A)
申请公布日期
1970.02.10
申请号
CAD833831
申请日期
申请人
SPITZ LABORATORIES
发明人
LEONARD SKOLNICK
分类号
主分类号
代理机构
代理人
主权项
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