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经营范围
发明名称
LUBRICATING DEVICE
摘要
申请公布号
CA350320(A)
申请公布日期
1935.05.14
申请号
CAD350320
申请日期
申请人
ETTA F. DOW
发明人
FRANK L. STALEY
分类号
主分类号
代理机构
代理人
主权项
地址
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