发明授权
US08418326B2 Metallic one-side teeth and two-way slide fastener 有权
金属单面齿和双向拉链

Metallic one-side teeth and two-way slide fastener
摘要:
Metallic one-side teeth include an upper inclined plane declining toward the side of interlock dent portion provided between the opening edge of the interlock dent portion and the apical edge of an interlock head portion.
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