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发明名称
Scrubbing machine for on-location cleaning of pile-type floor covering
摘要
申请公布号
US2972769(A)
申请公布日期
1961.02.28
申请号
US19590829469
申请日期
1959.07.24
申请人
KEATING ESMOND J;COOPER JR ALBERT S;WALKER ALBERT M
发明人
KEATING ESMOND J.;JR. ALBERT S. COOPER,;WALKER ALBERT M.
分类号
A47L11/30
主分类号
A47L11/30
代理机构
代理人
主权项
地址
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