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发明名称
Antifriction bearing apparatus
摘要
申请公布号
US1932236(A)
申请公布日期
1933.10.24
申请号
US19320602475
申请日期
1932.04.01
申请人
FRANK TYSON
发明人
TYSON FRANK
分类号
B61F15/18
主分类号
B61F15/18
代理机构
代理人
主权项
地址
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