a socket for a screw used to press down the platen in a manual printing press.
| 单词 | θ195569 |
| 释义 | society > communication > printing > printing machine or press > parts of printers or presses > [noun] > platen > socket for spindle (1) platen pan1683 a socket for a screw used to press down the platen in a manual printing press. |
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