Invention Grant
US09245502B2 Hoop for a drum 有权
圈子鼓

Hoop for a drum
Abstract:
A hoop for a drum is presented. The hoop having a ring having an inward face, an outward linear plane face, a top edge, and a bottom edge, wherein the inward face is stepped such that the bottom edge has a width less than the width of the top edge and a shoulder is formed therebetween.
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