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发明名称
Bearing
摘要
申请公布号
US1782969(A)
申请公布日期
1930.11.25
申请号
US19270226323
申请日期
1927.10.15
申请人
UNITED ENGINEERING AND FOUNDRY COMPANY
发明人
KLEIN CLARENCE J.
分类号
B21B31/02;B21B31/07;F16C13/04
主分类号
B21B31/02
代理机构
代理人
主权项
地址
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