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发明名称
Bubble tray
摘要
申请公布号
US1811247(A)
申请公布日期
1931.06.23
申请号
US19300454701
申请日期
1930.05.22
申请人
SMITH ENGINEERING COMPANY
发明人
SMITH ARTHUR J.
分类号
B01D3/18
主分类号
B01D3/18
代理机构
代理人
主权项
地址
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