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经营范围
发明名称
Improvements in ball bearings
摘要
申请公布号
GB430314(A)
申请公布日期
1935.06.17
申请号
GB19350005825
申请日期
1935.02.23
申请人
CARL ZEISS
发明人
分类号
F16C33/37;F16C33/61
主分类号
F16C33/37
代理机构
代理人
主权项
地址
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