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发明名称
Revolving stage
摘要
申请公布号
US1979363(A)
申请公布日期
1934.11.06
申请号
US19320648965
申请日期
1932.12.27
申请人
WARNER BROS. PICTURES, INC.
发明人
BERKELEY BUSBY
分类号
E04H3/26
主分类号
E04H3/26
代理机构
代理人
主权项
地址
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