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经营范围
发明名称
BLOCK FOR BLIND PERSON
摘要
申请公布号
JPS57130610(A)
申请公布日期
1982.08.13
申请号
JP19810014554
申请日期
1981.02.02
申请人
KUSATAKE SUGIAKI
发明人
KUSATAKE SUGIAKI
分类号
E01F9/04;E01F9/00;E01F9/047;E01F9/053;E01F9/06
主分类号
E01F9/04
代理机构
代理人
主权项
地址
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