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PCE
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CPC Subgroup
C22F 1/02

in inert or controlled atmosphere or vacuum (adjusting the composition of the atmosphere C21D1/76)

Full Title

Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working (apparatus for mechanical working of metal B21, B23, B24) > in inert or controlled atmosphere or vacuum (adjusting the composition of the atmosphere C21D1/76)