G10B1/00	7	General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus	G10B1/00	G10B1/00		160
G10B1/02	8	of organs, i.e. pipe organs	G10B1/02	G10B1/02		78
G10B1/04	9	with electric action	G10B1/04	G10B1/04		241
G10B1/06	9	with pneumatic action	G10B1/06	G10B1/06		61
G10B1/08	8	of harmoniums, i.e. reed organs	G10B1/08	G10B1/08		605
G10B3/00	7	Details or accessories	G10B3/00	G10B3/00		65
G10B3/02	8	Blowers	G10B3/02	G10B3/02		111
G10B3/04	8	Reservoirs	G10B3/04	G10B3/04		143
G10B3/06	8	Valves; Sleeves	G10B3/06	G10B3/06		283
G10B3/08	8	Pipes, e.g. open pipes, reed pipes	G10B3/08	G10B3/08		306
G10B3/10	8	Actions, e.g. key actions, couplers or stops	G10B3/10	G10B3/10		408
G10B3/12	8	Keys or keyboards; Manuals	G10B3/12	G10B3/12		124
G10B3/14	8	Pedals or pedal boards	G10B3/14	G10B3/14		64
G10B3/16	8	Swell chambers; Accentuating means	G10B3/16	G10B3/16		88
G10B3/18	8	Tremolo-producing devices	G10B3/18	G10B3/18		42
G10B3/20	8	Transposing devices	G10B3/20	G10B3/20		7
G10B3/22	8	Details of electric action systems for organs, e.g. contacts therein	G10B3/22	G10B3/22		53
G10B3/24	8	Cases	G10B3/24	G10B3/24		3
