different between hcfc vs hfc

hcfc

hcfc From the web:

• what is hcfc-22
• what is hcfc fire extinguisher
• what does hcfc stand for
• what is hcfc refrigerant
• what is hcfc gas
• what is hcfc-141b
• what does hcfc stand for in refrigeration
• what are hcfcs used for

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hfc

hfc From the web:

• what hfc stands for
• what hfcs does to your body
• what hfcl do
• what hfc means
• what hfcl does
• what's hfc nbn
• what hfcs does
• hfc what does it mean