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发明名称
VORRICHTUNG ZUR REINIGUNG DER INNENWAND KERAMISCHER ROHRE
摘要
申请公布号
DE2043258(B2)
申请公布日期
1972.07.13
申请号
DE19702043258
申请日期
1970.09.01
申请人
发明人
分类号
B08B9/04;B08B9/045;B23D77/04;F16L55/38
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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