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发明名称
VARIABLE GRADING VEGETATION BLOCK
摘要
申请公布号
JPH0464624(A)
申请公布日期
1992.02.28
申请号
JP19900176739
申请日期
1990.07.04
申请人
KIYOUWA KONKURIITO KOUGIYOU KK
发明人
SHINDO KUNIO;OSANAI HIDETAKA
分类号
E02B3/14;E02D29/02
主分类号
E02B3/14
代理机构
代理人
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