| 摘要 |
DOUBLE TRUCK PRINTING REGISTRATION SYSTEM FOR A ROTARY PRINTING PRESS A rotary printing press is used for printing standard pages and for double truck printing of the centerfold page. This is accomplished by mounting side by side printing plates to locking devices in the rotary printing press. The printing plates are positioned by two registrations which are selectively movable toward and away from each other to one of at least two predetermined fixed positions. In one of the fixed positions, the standard printing takes place, and in the other fixed position, the printing press is used for double truck printing.
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