发明申请
US20100147203A1 Three-dimensional Wiping Substrate And Method Therefor 有权
三维擦拭基板及其方法

Three-dimensional Wiping Substrate And Method Therefor
摘要:
A planar substrate has a moisture activated shrinking filament applied thereon. When wetted, the shrinking filament shrinks and causes the planar substrate to gather and pucker. The planar substrate with the filament thereon may be compressed into a compact shape when in a dry state.
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