| 摘要 |
Windscreen wiper of the type comprising a pivotal arm and a blade detachably mounted on the free end of the arm, a pin integral with the arm or with the blade and journalled in a bore formed in the other part, that is, the blade or the arm respectively. The blade comprises a hook member which laterally projects with respect to the blade and is adapted to cooperate with the arm in the operating position.
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