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发明名称
Apparatus for treating surfaces
摘要
申请公布号
US2433922(A)
申请公布日期
1948.01.06
申请号
US19420462443
申请日期
1942.10.15
申请人
AMERICAN OPTICAL COMPANY
发明人
OSTERBERG HAROLD
分类号
C23C14/56
主分类号
C23C14/56
代理机构
代理人
主权项
地址
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