The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Ernst M Cohn · Lawrence J E Hofer · United States · 1950
proposed method, subject 55 bides present in the carburized iron to cementite, Page 2 but keeping the temperature during the anneal ture used, such as methane,
