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发明名称
CLEANING BALL FOR CLEANING INNER SURFACE OF HEAT CONDUCTING PIPE OF HEAT EXCHANGER
摘要
申请公布号
JPS59150296(U)
申请公布日期
1984.10.08
申请号
JP19830046313U
申请日期
1983.03.29
申请人
发明人
分类号
A24D1/04;(IPC1-7):A24D1/04
主分类号
A24D1/04
代理机构
代理人
主权项
地址
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