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发明名称
FACILITY FOR GRAVEL STREWING
摘要
申请公布号
CS207902(B1)
申请公布日期
1981.08.31
申请号
CS19760005531
申请日期
1976.08.26
申请人
POSPISIL,BEDRICH,CS;POLACEK,JIRI,CS;SVOBODA,MILOSLAV,CS
发明人
POSPISIL,BEDRICH,CS;POLACEK,JIRI,CS;SVOBODA,MILOSLAV,CS
分类号
E01B27/02;(IPC1-7):E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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