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发明名称
Roller bearing cage
摘要
申请公布号
US1881804(A)
申请公布日期
1932.10.11
申请号
US19310524715
申请日期
1931.03.23
申请人
GEMMER MANUFACTURING COMPANY
发明人
MARLES HENRY
分类号
F16C33/54
主分类号
F16C33/54
代理机构
代理人
主权项
地址
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