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发明名称
Apparatus and method for producing flat surfaces
摘要
申请公布号
US2778924(A)
申请公布日期
1957.01.22
申请号
US19540417907
申请日期
1954.03.22
申请人
GODDARD & GODDARD COMPANY
发明人
HILL JOHN P.
分类号
B23H1/00
主分类号
B23H1/00
代理机构
代理人
主权项
地址
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