Diazo copier

A diazo copier, whiteprint copier or blue-line copier, is a type of heliographic copier used in the world of reprography for making positive contact prints on paper from original drawings made on vellum or other transparent or translucent material using the diazotype technology.

单词	Diazo copier
释义	Diazo copier 英语百科 Diazo copier A diazo copier, whiteprint copier or blue-line copier, is a type of heliographic copier used in the world of reprography for making positive contact prints on paper from original drawings made on vellum or other transparent or translucent material using the diazotype technology.
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