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经营范围
发明名称
ESCALATOR CLEANER
摘要
申请公布号
US3559230(A)
申请公布日期
1971.02.02
申请号
USD3559230
申请日期
1969.03.24
申请人
ROBERT R. OGLE
发明人
ROBERT R. OGLE
分类号
A47L11/20;A47L11/24;(IPC1-7):A47L7/02
主分类号
A47L11/20
代理机构
代理人
主权项
地址
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