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发明名称
Dispositif pour le décapage par le sable des surfaces intérieures des canalisations
摘要
申请公布号
BE612057(A1)
申请公布日期
1962.04.16
申请号
BE19610612057
申请日期
1961.12.28
申请人
ENTRAG A.G.
发明人
分类号
B24C3/32;F28G1/12;(IPC1-7):B24C
主分类号
B24C3/32
代理机构
代理人
主权项
地址
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