Invention Grant
US08193434B2 Vertically aligned drum set 有权
垂直排列的鼓组

Vertically aligned drum set
Abstract:
A drum assembly includes a first drum assembly positioned above a second drum assembly in a spaced apart relationship, where the bottom of the first drum assembly is positioned above the second drum assembly. Sound waves emanated from a playing surface of the first drum assembly impact a playing surface of the second drum assembly.
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