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发明名称
Perfectionnements aux procédés de fabrication des <<getters>> pour tubes à vide
摘要
<p>Aluminium alloys containing 25, 50, or 75 per cent of barium are used along with magnesium powder as getters.</p>
申请公布号
FR756225(A)
申请公布日期
1933.12.05
申请号
FRD756225
申请日期
1933.05.29
申请人
KING LABORATORIES INC.
发明人
分类号
A47G1/10;H01J7/18
主分类号
A47G1/10
代理机构
代理人
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