发明授权
US5697719A Cleansing of blades 失效
清洁刀片

Cleansing of blades
摘要:
A section of sponge-like cleaning material partially enclosed within a rigid casing to form a cleaning surface that is contoured to simultaneously contact the edge and sides of a windshield wiper blade; being movable back and forth along the length of a wiper blade by a hollow handle that can be used to store cleansing fluid directly or in a squeeze-type dropper.
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