REFRIGERACIÓN CON
HIDROCARBUROS (PROPANO, ....)
http://refrigerationclub.com/es-es/r290-y-r600a/
https://www.construnario.com/ebooks/6730/fluidos%20frigor%C3%ADficos/refrigerantes%20naturales%20(hidrocarburos)/isobutano%20o%20r600a/ficha%20t%C3%A9cnica/files/publication.pdf
https://www.construnario.com/ebooks/6730/fluidos%20frigor%C3%ADficos/refrigerantes%20naturales%20(hidrocarburos)/isobutano%20o%20r600a/ficha%20t%C3%A9cnica/files/publication.pdf
http://www.seam.gov.py/sites/default/files/users/comunicacion/Reconversi%C3%B3n%20gases%20hidrocarburos.pdf
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