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发明名称
Method of preventing corrosion of metal walls of tanks
摘要
申请公布号
US1996747(A)
申请公布日期
1935.04.09
申请号
US19330664865
申请日期
1933.04.07
申请人
BUTTERWORTH ARTHUR B
发明人
BUTTERWORTH ARTHUR B.
分类号
C23C22/76
主分类号
C23C22/76
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代理人
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