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经营范围
发明名称
Bearing and seal
摘要
申请公布号
US2272029(A)
申请公布日期
1942.02.03
申请号
US19380227053
申请日期
1938.08.27
申请人
CHICAGO ELECTRIC MANUFACTURING COMPANY
发明人
BENSON BERNHART A.
分类号
F16C33/74
主分类号
F16C33/74
代理机构
代理人
主权项
地址
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