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PCE
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DIFF Subgroup
B29C 63/34

using tubular layers or sheathings

Introduced: January 1985

Title

Titles differ between systems:

IPC: using tubular layer or sheathings

CPC: using tubular layers or sheathings

Full Title

Full titles differ between systems:

IPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor > Lining or sheathing of internal surfaces > using tubular layer or sheathings

CPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C73/00 takes precedence; by blowing B29C49/00; by thermoforming B29C51/00) > Lining or sheathing of internal surfaces (B29C63/38 takes precedence) > using tubular layers or sheathings

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 1985.

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