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经营范围
发明名称
Bearing scraper
摘要
申请公布号
US1777780(A)
申请公布日期
1930.10.07
申请号
US19290335594
申请日期
1929.01.28
申请人
BARBEE JOSEPH C
发明人
BARBEE JOSEPH C.
分类号
B23B41/12
主分类号
B23B41/12
代理机构
代理人
主权项
地址
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