The stamps are designed by mr . arde lam and engraved by mr . czeslaw slania . this issue is printed in intaglio and lithography by sweden post stamps 邮票由林炳培设计、 czeslawslania雕刻制版，并由瑞典邮政以雕刻凹版和平版印刷。
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The application of lasers for print plate fabrication plays an increasingly important role in preprinting area . the process principle of laser engraving technology in gravure was discussed 摘要作为一种高能量，高性能的记录工具，激光已经在凹印制版领域发挥着日益重要的作用。主要对激光雕刻凹版制版技术的原理及其工艺进行了研究。
