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发明名称
FLOATING BRIDGE OVER RIVULET OR RAVINE
摘要
申请公布号
RU1834948(C)
申请公布日期
1993.08.15
申请号
SU19914934550
申请日期
1991.05.08
申请人
CHERKUNOVA ANNA V;CHERKUNOV VYACHESLAV B;CHERKUNOV BORIS V
发明人
CHERKUNOVA ANNA V;CHERKUNOV VYACHESLAV B;CHERKUNOV BORIS V
分类号
E01D18/00;E01D1/00
主分类号
E01D18/00
代理机构
代理人
主权项
地址
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