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发明名称
METHOD OF RECTIFYING STRUCTURES NOT PREPARED FOR THIS PROCESS
摘要
申请公布号
PL109514(B2)
申请公布日期
1980.06.30
申请号
PL19770203580
申请日期
1977.12.30
申请人
发明人
分类号
E02D35/00;E04G;E04G23/04;(IPC1-7):E04G23/04
主分类号
E02D35/00
代理机构
代理人
主权项
地址
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SCRUBBING BRUSH
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