Grinding mill
申请公布号:US2896867(A)
申请号:US19570645105
申请日期:1957.03.11
申请公布日期:1959.07.28
发明人:ANGELIS ANGELO C. DE;JR. HARRY E. BUTTERFIELD,
分类号:A47J42/18
主分类号:A47J42/18
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