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经营范围
发明名称
Process for the treatment of iron in order to obtain a clean metallic surface
摘要
申请公布号
US2455411(A)
申请公布日期
1948.12.07
申请号
US19450617439
申请日期
1945.09.19
申请人
RICARDO FRANCHI FRANCISCO AMBR
发明人
FRANCHI FRANCISCO AMBROSIO RICARDO
分类号
C23C22/83;C23G1/08
主分类号
C23C22/83
代理机构
代理人
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地址
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