CPC Subgroup Additional Only
G03G 2215/2048 Surface layer material
Full Title
Apparatus for electrophotographic processes > Details of the fixing device or porcess > Structural features of the fixing device > Surface layer material
2 direct subcodes
Child Classifications
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- G03G 2215/2051 Silicone rubber
- G03G 2215/2054 Inorganic filler, e.g. silica powder