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经营范围
发明名称
Improvements in or connected with trays, dumb waiters and the like
摘要
申请公布号
GB500752(A)
申请公布日期
1939.02.15
申请号
GB19370029476
申请日期
1937.10.28
申请人
HAROLD FREDERICK MAGNUS
发明人
分类号
A47G23/06
主分类号
A47G23/06
代理机构
代理人
主权项
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