发明授权
US4250620A Plastic scissors with metallic cutting inserts 失效
塑料剪刀与金属切削刀片

Plastic scissors with metallic cutting inserts
摘要:
Safety scissors wherein the scissor members are composed of a metal member partially embedded in plastic in such a way that a part of the exposed metal serves as a cutting edge and the remaining exposed portion of the metal member bears the sliding friction when the two scissor members are moved relative to each other.
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