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发明名称
POWER SUPPLY UNIT FOR CATHODIC PROTECTION
摘要
申请公布号
PL142308(B1)
申请公布日期
1987.10.31
申请号
PL19830244886
申请日期
1983.12.02
申请人
发明人
分类号
C23F;C23F13/00;H02M;(IPC1-7):C23F13/00
主分类号
C23F
代理机构
代理人
主权项
地址
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