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经营范围
发明名称
APPARATUS FOR CLEANING ROTARY TYPE AIR HEATERS
摘要
申请公布号
PL116431(B1)
申请公布日期
1981.06.30
申请号
PL19780210448
申请日期
1978.10.21
申请人
发明人
分类号
B08B3/02;(IPC1-7):B08B3/02
主分类号
B08B3/02
代理机构
代理人
主权项
地址
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