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经营范围
发明名称
Air pressure dry pan
摘要
申请公布号
US1889555(A)
申请公布日期
1932.11.29
申请号
US19310560136
申请日期
1931.08.29
申请人
CHAMBERS BROTHERS COMPANY
发明人
KING HOWARD K.
分类号
B02C15/14
主分类号
B02C15/14
代理机构
代理人
主权项
地址
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