Staple remover and letter opener

作者: Erwin Cheldin

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参考文章(12)
Erwin Cheldin, Double-jawed staple remover ,(1993)
Robert Perlmutter, Stanley Hochfeld, Combined staple remover and letter opener ,(1993)
Douglas L. Thieleke, Douglas A. Callison, Staple removing device ,(1989)
Joseph A Foitle, Broken staple remover ,(1969)