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发明名称
CONCRETE VIBRATOR
摘要
申请公布号
CA900214(A)
申请公布日期
1972.05.16
申请号
CAD900214
申请日期
申请人
KOEHRING COMPANY
发明人
EUGENE C. BRIGGS
分类号
B01F11/00;E04G21/08;(IPC1-7):B01F11/00
主分类号
B01F11/00
代理机构
代理人
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