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Interpreted as:
title:(System AND performance AND with AND R407A AND R407B AND R407C AND compared AND to AND R22.)
Suggestions: Include records that partially match the query
System performance with R407A, R407B, R407C compared to R22
Scan Ref — 1997, Volume 26, Issue 4, pp. 5-9
Year: 1997
Language: English
System performance with R407A, R407B, R407C compared to R22
15. Nordiske Kølemødet/8. Nordiske Varmepumpedagene — 1997, pp. 1-12
Year: 1997
Language: English