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经营范围
发明名称
Guard bearing
摘要
申请公布号
GB737776(A)
申请公布日期
1955.09.28
申请号
GB19530028181
申请日期
1953.10.13
申请人
NATIONAL MOTOR BEARING CO., INC.
发明人
分类号
B61F15/22
主分类号
B61F15/22
代理机构
代理人
主权项
地址
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