发明授权
US4796369A Floor sign extension attachment 失效
楼层标志扩展附件

Floor sign extension attachment
摘要:
A sign extension attachment for a self-standing floor sign having two panels (28) and (29) connected at their upper ends by hinge means (30) including a transverse handle (31), the attachment comprising a panel (10) having spreadable sleeve portions (18) and (22) for wrapping around the handle (31).
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