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经营范围
发明名称
Artificial icerink
摘要
申请公布号
GB798290(A)
申请公布日期
1958.07.16
申请号
GB19570000632
申请日期
1957.01.07
申请人
SVENSKA TURBINFABRIKS AKTIEBOLAGET LJUNGSTROM
发明人
分类号
E01C13/10
主分类号
E01C13/10
代理机构
代理人
主权项
地址
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