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发明名称
MATERIAL DISCHARGING MEANS
摘要
申请公布号
CA502474(A)
申请公布日期
1954.05.11
申请号
CAD502474
申请日期
申请人
WRIGHT MACHINERY COMPANY
发明人
JAMES C. PETREA
分类号
主分类号
代理机构
代理人
主权项
地址
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