Duplicators and document copying machines . glossary of terms for document copying machines 复印机与文献复印机.第4部分:文件复印机名词术语词汇
Specification for minimum information to be included in specification sheets of document copying machines 文件复印机技术规格表含有的最低限度信息规范
In a document copying machine , a means by which parts of the image of the original is obscured so that it is not produced onto the copy material 文件复印机上使用的一种方法,将原件映象的某一部分掩盖起来,使其不复印到复印件上。