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经营范围
发明名称
Production of lubricants
摘要
申请公布号
US2258806(A)
申请公布日期
1941.10.14
申请号
US19370175494
申请日期
1937.11.19
申请人
WILLIAM E. CURRIE
发明人
PIER MATHIAS;CHRISTMANN FRIEDRICH
分类号
主分类号
代理机构
代理人
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地址
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