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US08088984B2 Convertible percussion cart-platform system 失效
可转换打击乐车平台系统

Convertible percussion cart-platform system
Abstract:
A convertible percussion cart-platform system includes first and second instrument platforms that are shiftable between a transportation position and a performance position for moving and positioning musical instruments and a player platform that is shiftable between folded and unfolded positions for allowing a user to perform on instruments supported by first and second instrument platforms in the performance position.
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