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Chapter 67 Special product
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... , there is also a steel plate, and every stroke will make a soft creaking sound.
After the wax paper is engraved, it can be printed. Stick it to the old mimeograph machine, push the roller, and print out the test papers one by one.
As for copiers and such, they are definitely high-end items in this era. Not to mention whether they can be bought, one is more than 10,000 yuan, who can afford it.
That's it, it's not a color copier yet.
A piece of wax paper is re ...
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