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发明名称
AIR HUMIDIFIER OR APPARATUS FOR COATING INTERNAL SURFACES OF PIPESTRENNIKH POVERKHNOSTEJJ TRUB
摘要
申请公布号
PL121751(B1)
申请公布日期
1982.05.31
申请号
PL19790213244
申请日期
1979.02.07
申请人
发明人
分类号
B05B3/02;B05C7/08;F16L;(IPC1-7):B05B3/02
主分类号
B05B3/02
代理机构
代理人
主权项
地址
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