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发明名称
Journal structure
摘要
申请公布号
US2426963(A)
申请公布日期
1947.09.02
申请号
US19440569990
申请日期
1944.12.27
申请人
S K F INDUSTRIES, INC.
发明人
BALL FREDERICK S.;STYRI HAAKON
分类号
B61F15/14
主分类号
B61F15/14
代理机构
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