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发明名称
ADDITIONAL DRUM
摘要
申请公布号
GB8334217(D0)
申请公布日期
1984.02.01
申请号
GB19830034217
申请日期
1983.12.22
申请人
EICKHOFF MASCHINENFABRIK U EISENGIESSEREI MBH GEBR
发明人
分类号
E21C27/06;E21C35/20;(IPC1-7):E21C25/06
主分类号
E21C27/06
代理机构
代理人
主权项
地址
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