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发明名称
SKATING RINK FLOOR
摘要
申请公布号
CA359803(A)
申请公布日期
1936.08.11
申请号
CAD359803
申请日期
申请人
OLYMPIA GROUP, INC.
发明人
DONALD S. MACLEOD
分类号
主分类号
代理机构
代理人
主权项
地址
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