发明授权
US4128057A Stencil paper assembly 失效
模板纸总成

Stencil paper assembly
摘要:
A stencil paper assembly comprising a stencil paper sheet and an ink-impermeable sheet laid one over the other, said assembly being adapted to maintain a layer of ink between said stencil sheet and said ink-impermeable sheet so that numerous printed sheets may be obtained with one charge of ink and without causing smearing of ink.
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