Note(s) This class covers generally all sound-emitting devices, whether or not they may be considered as being musical. - The term "musical instrument", used in this class, should not be understood as excluding devices emitting a single sound signal.
- For the convenience of users, the following Class Index is given in place of Sub-class Indexes, to show the grouping of the elaborations belonging to different sub-classes, under the three fundamental types: Wind instruments
String instruments Percussion instruments which relate clearly to the majority of instruments. - There are of course some instruments of which the principle of operation belongs less clearly to one of these three types. They correspond to groups Fulltext...
Hierarchy... Expanded...G10D 17/00 and Fulltext... Hierarchy... Expanded...G10K 7/00, Fulltext... Hierarchy... Expanded...G10K 9/00, Fulltext... Hierarchy... Expanded...G10K 10/00, all the other groups normally finding a definite place.
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