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经营范围
发明名称
Bearing seal
摘要
申请公布号
US2857179(A)
申请公布日期
1958.10.21
申请号
US19550519488
申请日期
1955.07.01
申请人
GENERAL MOTORS CORPORATION
发明人
RIESING ELLWOOD F.
分类号
F16C33/78
主分类号
F16C33/78
代理机构
代理人
主权项
地址
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