A C. operated power supply for sound-level meters

被引：0
|
作者：
不详
机构：
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1942年 / 13卷 / 04期
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D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
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页码：189 / 190
页数：2
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