Vessels; Containers; Vacuum locks

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group > Vessels; Containers; Vacuum locks

CPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Vessels; Containers; Vacuum locks

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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H01J 29/861 +1 CPC CPC only CPC only
H01J 29/863 CPC only CPC only
H01J 29/864 CPC only CPC only
H01J 29/865 +1 CPC CPC only CPC only
H01J 29/867 +1 CPC CPC only CPC only
H01J 29/87 Arrangements for preventing or limiting effects of implosion of vessels or containers since 1974 IPC+CPC Available in IPC and CPC
H01J 29/88 provided with coatings on the walls thereof; Selection of materials for the coatings IPC+CPC Available in IPC and CPC
H01J 29/89 Optical or photographic arrangements structurally combined with the vessel +4 CPC IPC+CPC Available in IPC and CPC