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经营范围
发明名称
Antifriction bearing
摘要
申请公布号
US2337511(A)
申请公布日期
1943.12.21
申请号
US19400349163
申请日期
1940.08.01
申请人
WAHLMARK GUNNAR A
发明人
WAHLMARK GUNNAR A.
分类号
F16C19/49;F16C19/54;F16C19/56;F16H23/00
主分类号
F16C19/49
代理机构
代理人
主权项
地址
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