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发明名称
Improvements in and relating to non-metallic gear wheels
摘要
申请公布号
GB387287(A)
申请公布日期
1933.02.02
申请号
GB19320027068
申请日期
1932.09.29
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
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