In 2004 Bobrick introduced a line of surface-mounted recessed and Lever-Less Roll Paper Towel Dispensers.
2004年，美国保必丽公司开发了一系列外露式无滚轴纸巾架。
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Each support member comprises a curved lower surface (146) and a rolling element (148) located within a recessed portion of the lower surface of the support member.