Description
Class G10B : ORGANS; HARMONIUMS
Subclass 1/06: General design of organs fluid operated
Class G10B : ORGANS; HARMONIUMS
Subclass 1/06: General design of organs fluid operated
Patent # | Title | Filing Date | Issue Date | Patent Owner |
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10937394 | Organ with variable key tension | Jun 18, 18 | Mar 02, 21 | CASAVANT FRÈRES |
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