(邮电1407)改退批条,自20世纪60年代以来,是使用时间较长、利用率较高的制式批条,在信函件改寄、退回的使用中起到了重要的作用。由于使用量大,各地邮政部门边使用边补充,并交由各地的印刷部门进行多次排版印刷,也因其排版印刷质量参差不齐,款式较多,笔者有一枚贴有手写式改退批条的实寄封。从信封的实寄过程,可以推断出寄信 (Post and Telecommunications Bureau, 1407) The approval and approval of the approval document has changed since the 1960s. It has been used for a long time and has a relatively high utilization rate. It has played an important role in the use of letters sent and returned. Due to the large amount of use, the local postal service while using the edge to add, and by the printing departments throughout the layout printing, but also because of its uneven layout printing quality, style more, I have a handwritten with the approval of the retreat batch The real seal. Mail from the envelope of the process, you can infer the letter