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PCE
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DIFF Subgroup
G21F 7/04

Shielded glove-boxes (glove-boxes in general B25J21/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Shielded glove-boxes

CPC: Shielded glove-boxes (glove-boxes in general B25J21/02)

Full Title

Full titles differ between systems:

IPC:

Shielded cells or rooms > Shielded glove-boxes

CPC:

Shielded cells or rooms > Shielded glove-boxes (glove-boxes in general B25J21/02)

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

3 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • G21F 7/041 CPC only CPC only
  • G21F 7/043 CPC only CPC only
  • G21F 7/045 CPC only CPC only
  • G21F 7/047 Shielded passages; Closing or transferring means between glove-boxes since 1990 IPC+CPC Available in IPC and CPC
  • G21F 7/053 Glove mounting means since 1990 IPC+CPC Available in IPC and CPC