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经营范围
发明名称
Flange oiler
摘要
申请公布号
US1991419(A)
申请公布日期
1935.02.19
申请号
US19330696042
申请日期
1933.10.31
申请人
THE RUTH COMPANY
发明人
RUTH JOSEPH P.
分类号
B61K3/02
主分类号
B61K3/02
代理机构
代理人
主权项
地址
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