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经营范围
发明名称
(A) ;ROBOT VACUUM CLEANER
摘要
申请公布号
JPH078428(B2)
申请公布日期
1995.02.01
申请号
JP19900061947
申请日期
1990.03.13
申请人
发明人
分类号
E21B10/46;B22D13/10;B22D19/00;B22D19/06;B22D19/08;C25D1/00;(IPC1-7):B22D19/06
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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