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发明名称
Improvements in or relating to stage settings
摘要
申请公布号
GB644003(A)
申请公布日期
1950.10.04
申请号
GB19470005432
申请日期
1947.02.25
申请人
EDWARD GILBERT;LEONARD SILLMAN;ETHEL AMWEG BARBER
发明人
分类号
A63J1/02
主分类号
A63J1/02
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代理人
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地址
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