DIFF Subgroup
H01S 3/02 Constructional details
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range > Constructional details
CPC:
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00) > Constructional details
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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