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发明名称
Tube-cleaning device.
摘要
Device for the preventative cleaning of elongated tubes, consisting of a strip wound in a helical shape, which comprises two flanges (7, 8) interconnected by a tongue (10). Application to multi-tube exchangers. <IMAGE>
申请公布号
EP0176419(A1)
申请公布日期
1986.04.02
申请号
EP19850401744
申请日期
1985.09.06
申请人
ELF FRANCE, SOCIETE ANONYME DITE:
发明人
ESTIENNE, PATRICK
分类号
B08B9/04;B08B9/043;F28F13/12;F28G1/12;(IPC1-7):B08B9/02
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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