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发明名称
Procedure and equipment for the automatic focussing of the charge carrier beam in devices for the working of materials by means of a charge carrier beam
摘要
申请公布号
GB959430(A)
申请公布日期
1964.06.03
申请号
GB19620042582
申请日期
1962.11.12
申请人
CARL ZEISS-STIFTUNG
发明人
分类号
B23K15/00;H01J37/21
主分类号
B23K15/00
代理机构
代理人
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