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发明名称
Double row roller bearing
摘要
申请公布号
US2770509(A)
申请公布日期
1956.11.13
申请号
US19520322470
申请日期
1952.11.25
申请人
FERDINAND WALLGREN AUGUST GUNN
发明人
WALLGREN AUGUST GUNNAR FERDINAND
分类号
F16C19/38;F16C33/46
主分类号
F16C19/38
代理机构
代理人
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地址
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