Rotary intaglio printing plate by a uniform copperizing or zinc-coated steel rollers.
回旋扭不停型不凸版印版个平均镀铜或镀锌的钢辊构。
Rotary intaglio printing plate by a uniform copperizing or zinc-coated steel rollers.
回旋扭不停型不凸版印版个平均镀铜或镀锌的钢辊构。
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