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发明名称
Rink construction
摘要
申请公布号
US2295142(A)
申请公布日期
1942.09.08
申请号
US19400362725
申请日期
1940.10.25
申请人
HERMAN VETTER
发明人
VETTER HERMAN
分类号
E01C13/10;F25C3/02
主分类号
E01C13/10
代理机构
代理人
主权项
地址
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