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发明名称
APPARATUS AND PROCESS FOR EVACUATING ELECTRONIC TUBES AND THE LIKE
摘要
申请公布号
CA494636(A)
申请公布日期
1953.07.21
申请号
CAD494636
申请日期
申请人
EASTMAN KODAK COMPANY
发明人
HORACE G. WARREN;MERRIAM E. JOHNSON
分类号
主分类号
代理机构
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