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发明名称
摘要
申请公布号
PL214511(A1)
申请公布日期
1980.03.24
申请号
PL19790214511
申请日期
1979.03.30
申请人
BOCHUMER EISEN HEINTZMANN
发明人
分类号
B05B1/10;E21B7/18;E21B10/60;E21C25/60;(IPC1-7):B05B/;E21C/
主分类号
B05B1/10
代理机构
代理人
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