DIFF Main Group
G21K 5/00 Irradiation devices (discharge tubes for irradiating H01J37/00)
Introduced: July 1974
Title
Titles differ between systems:
IPC: Irradiation devices
CPC: Irradiation devices (discharge tubes for irradiating H01J37/00)
Full Title
Full titles differ between systems:
IPC:
Irradiation devices
CPC:
Irradiation devices (discharge tubes for irradiating H01J37/00)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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