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发明名称
Extension handle for rubbing machines
摘要
申请公布号
US2428204(A)
申请公布日期
1947.09.30
申请号
US19460700786
申请日期
1946.10.02
申请人
STERLING TOOL PRODUCTS COMPANY
发明人
CROSBY STEPHEN A.
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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