Попов, Александр Николаевич. Вакуумная техника [электронный ресурс]: Учебное пособие / А. Н. Попов. — 1. — Москва: ООО "Научно-издательский центр ИНФРА-М", 2018 — 167 с. — ВО - Бакалавриат. — <URL:https://znanium.com/catalog/document?id=372507>. — <URL:https://znanium.com/cover/0538/538092.jpg>.
Period
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Read
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Print
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Copy
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Open
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Total
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Year 2024
|
Quarter 1
|
February
|
0
|
0
|
0
|
3
|
3
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
0
|
0
|
0
|
1
|
1
|
May
|
0
|
0
|
0
|
1
|
1
|
June
|
0
|
0
|
0
|
1
|
1
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
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Total
|
0
|
0
|
0
|
6
|
6
|