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发明名称
An improved composition for, and method of, sealing chromic acid treated metallic surfaces
摘要
申请公布号
GB762103(A)
申请公布日期
1956.11.21
申请号
GB19530026740
申请日期
1953.09.29
申请人
POOR AND COMPANY
发明人
分类号
C23C22/83
主分类号
C23C22/83
代理机构
代理人
主权项
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