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发明名称
Floor machines
摘要
申请公布号
US3010135(A)
申请公布日期
1961.11.28
申请号
US19590814834
申请日期
1959.05.21
申请人
VESTAL LABORATORIES, INC.
发明人
JR. FRANK J. POLLNOW,
分类号
A47L11/40
主分类号
A47L11/40
代理机构
代理人
主权项
地址
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