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发明名称
Brush holder
摘要
申请公布号
US2767261(A)
申请公布日期
1956.10.16
申请号
US19510220120
申请日期
1951.04.04
申请人
KEATON FRANK H;BETTISON DAVID C
发明人
KEATON FRANK H.;BETTISON DAVID C.
分类号
B61K9/10
主分类号
B61K9/10
代理机构
代理人
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地址
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