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经营范围
发明名称
Treatment of metallic frictional surfaces
摘要
申请公布号
US2266378(A)
申请公布日期
1941.12.16
申请号
US19380235811
申请日期
1938.10.19
申请人
STANDARD OIL COMPANY OF CALIFORNIA
发明人
FARRINGTON BRUCE B.;MACDONALD RONALD T.
分类号
C23C22/62
主分类号
C23C22/62
代理机构
代理人
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地址
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