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发明名称
Bearing
摘要
申请公布号
US1937465(A)
申请公布日期
1933.11.28
申请号
US19300424449
申请日期
1930.01.29
申请人
SHERWOOD PATENTS, LTD.
发明人
SHERWOOD CHARLES F.
分类号
C22C1/04
主分类号
C22C1/04
代理机构
代理人
主权项
地址
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