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发明名称
Antifriction bearing and method of manufacturing the same
摘要
申请公布号
US2097878(A)
申请公布日期
1937.11.02
申请号
US19350003811
申请日期
1935.01.28
申请人
GERHARD GRABE ALF
发明人
GRABE ALF GERHARD
分类号
C21D1/22
主分类号
C21D1/22
代理机构
代理人
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地址
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