论文部分内容阅读
王渭编辑注:虽尽力收集,也难免有漏误之处,请同好不吝指正。图1民主德国1965年图2德国1995年伦琴邮票目录
Editor Wang Wei Note: Although efforts to collect, but also inevitably have a mistake, please feel free to correct me. Figure 1 Democracy Germany 1965 Figure 2 Germany 1995 Roentgen stamp directory