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发明名称
Verfahren zum Reinigen der Innenwandung von in Gebaeuden verlegten Wasserleitungen
摘要
申请公布号
DE651289(C)
申请公布日期
1937.10.11
申请号
DE1934M129083D
申请日期
1934.11.06
申请人
GUSTAF MALMROS
发明人
分类号
B24C3/32
主分类号
B24C3/32
代理机构
代理人
主权项
地址
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