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The history of the development of German printing machine
The history of the development of German printing machine
Theinventionanddevelopmentofprintingmachine,playsanimportantroleinthespreadofhumancivilizationandculture. In1439,theGermanguttenmanufacturedwoodenletterpressprintingmachine,theverticalspiralhandprinti
Paper machine and paper machine different characteristics
Paper machine and paper machine different characteristics
Papermachineistheproductionandprocessingofhouseholdpaper,officepapermachineryandequipment. Papermachinecanbedividedaccordingtothelifeofpapertype:toiletpapermachine,napkinmachine,colornapkinmachine,box
The evolution process of paper
The evolution process of paper
PaperisoneofthefourgreatinventionsofancientChina'sscienceandtechnology,withthecompass,gunpowder,printing,thefoundationprovidesthematerialtechnologytoChina'sancientcultureandprosperity.Theinventionofpa
The definition and introduction of computer printing paper
The definition and introduction of computer printing paper
Computerprintingpaperwith241and381generaltwospecifications.Hereisthe241andthe381referstothewidthofhis,usuallyusedtostratify,canbedividedinto1to6layers,coloriswhiteredyellowgreenblueandwhite,thewhiteco

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