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发明名称
DEVICE FOR HEAT EXCHANGER'S TUBES PROTECTION
摘要
申请公布号
CS8904556(A1)
申请公布日期
1990.10.12
申请号
CS19890004556
申请日期
1989.07.31
申请人
VRBSKY JOSEF ING.,CS;BALCAR JIRI ING.,CS
发明人
VRBSKY JOSEF ING.,CS;BALCAR JIRI ING.,CS
分类号
F28B9/02;(IPC1-7):F28B9/02
主分类号
F28B9/02
代理机构
代理人
主权项
地址
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