邮票常识：罕有护邮用品的几种方法(国外英文资料).docVIP

邮票常识：常见护邮用品的几种方法(国外英文资料) Common sense: several ways to protect postal materials (/ time: 2008-08-15) ? The mail articles ???? Opening the album is a perturbation of a postage stamp, and it is always possible to bring in harmful external factors. This is designed to minimize the impact of harmful factors. The germans have always been known for their rigour, and the small fuses are also advanced in Germany. In China 1999 world stamp exhibition once heard two old YouMi talking about your stamp if deserve to go up the lighthouse is qi, mail, visible lighthouse in YouRen heart, mail status. The author here introduced all kinds of mail items, and comparing domestic products and the German lighthouse (Leuchtturm), Linda (Lindner) company and the United States security (Safe) performance index difference between the foreign products, such as seeking truth from facts to find the gap between domestic protection of mail items. The illustrated section is taken from the product brochures of these companies, thanks in all. ???? To protect the pouch (Wheel) ???? The perfect preservation of stamps is a bitter pursuit of the stamp collectors. However, due to the limitations of the technology, previous forms of protection have not been satisfactory. A bit of progress from the mail technology can be seen at the cost of the effort and the hard work. Early will stamp directly on the book, later invented - sided adhesive glue paper tissue paper: half in the stamp back, half on the mail, due to the need to dip in water glue, many early stamps back are so damaged. Then there was the mail bag, and the stamp was in the bag, and the glue was applied to the back of the envelope: a slight improvement could be a revolutionary advance. Even with the invention of the envelope, the improvements didnt stall: the sheets of cellophane, which were used in the first place, were still easily adhered to. ???? Protection of mail items quality is at the heart of contact with the stamp of transparent plasti