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发明名称
Brush preserving case
摘要
申请公布号
US1869753(A)
申请公布日期
1932.08.02
申请号
US19310522342
申请日期
1931.03.13
申请人
RICHARD KAMM
发明人
KAMM RICHARD
分类号
B44D3/12
主分类号
B44D3/12
代理机构
代理人
主权项
地址
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