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发明名称
Dusting machine
摘要
申请公布号
US1862396(A)
申请公布日期
1932.06.07
申请号
US19240754635
申请日期
1924.12.08
申请人
GRAY THOMAS W;JAMES LEWIS;BON SR CHARLES B LE
发明人
GRAY THOMAS W.;LEWIS JAMES;SR. CHARLES B. LE BON,
分类号
E21F5/10
主分类号
E21F5/10
代理机构
代理人
主权项
地址
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