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CPC
C21D5/12

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D5/00Heat treatments of cast-iron

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C21D5/12in solid agents

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Patents Grantslast 30 patents

Information Patent Grant
2515693
- Patent number 2,515,693
- Issue date Jul 18, 1950
- C21 - METALLURGY OF IRON
Information Patent Grant
2380385
- Patent number 2,380,385
- Issue date Jul 31, 1945
- C21 - METALLURGY OF IRON
Information Patent Grant
1882327
- Patent number 1,882,327
- Issue date Oct 11, 1932
- C21 - METALLURGY OF IRON