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PCE
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DIFF Subgroup
G10D 7/02

of the type wherein an air current is directed against a ramp edge

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

General design of wind musical instruments > of the type wherein an air current is directed against a ramp edge

CPC:

General design of wind musical instruments (accordions or concertinas G10D11/00; whistles G10K5/00) > of the type wherein an air current is directed against a ramp edge

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • G10D 7/026 with air currents blown into an opening arranged on the cylindrical surface of the tube, e.g. transverse flutes, piccolos or fifes since 2020 IPC+CPC Available in IPC and CPC
  • G10D 7/03 with a windway for leading the air to the labium, e.g. recorders since 2020 IPC+CPC Available in IPC and CPC
  • G10D 7/04 with Helmholtz resonators, e.g. ocarinas IPC+CPC Available in IPC and CPC