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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F03B 15/04

of turbines (rotors having adjustable blades F03B3/06, F03B3/14; adjustable guide vanes F03B3/18; specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors F03B15/20)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of turbines

CPC: of turbines (rotors having adjustable blades F03B3/06, F03B3/14; adjustable guide vanes F03B3/18; specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors F03B15/20)

Full Title

Full titles differ between systems:

IPC:

Controlling > by varying liquid flow > of turbines

CPC:

Controlling (controlling in general G05 ) > by varying liquid flow > of turbines (rotors having adjustable blades F03B3/06, F03B3/14; adjustable guide vanes F03B3/18; specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors F03B15/20)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

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