加熱食肉製品	1449

https://www.forth.go.jp/keneki/osaka/syokuhin-kanshi/foodstandard_shokunikuseihin.html (section 4 on　加熱食肉製品（包装後加熱） and section 5 on　加熱食肉製品（加熱後包装）)
https://ja.wikipedia.org/wiki/ベーコン (note about 加熱食肉製品 vs 非加熱食肉製品)
https://www.primaham.co.jp/soudan/faq/#cat1-5 (FAQ entry "ハム・ベーコン・ソーセージなどの加熱食肉製品は、そのまま食べられますか。")

This seems to be a regulatory term, but "law" field does not seem appropriate.
Not A + B because "加熱" does not mean "sterilization", nor does it have that sense in Japanese dictionaries AFAICT.
Not obvious because it's not just talking about heating to cook.
Relatively common as I just read it as the first word/compound on the label of three different brands of sausages/hot dogs.