DIFF Subgroup
B29C 51/04 Combined thermoforming and prestretching, e.g. biaxial stretching
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor > Combined thermoforming and prestretching, e.g. biaxial stretching
CPC:
Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor > Combined thermoforming and prestretching, e.g. biaxial stretching
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
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