stamp hinge
... 未贴邮票的 unfranked 贴邮票胶纸 stamp hinge 贴邮票邮件 stamped mail ...
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本实用新型在使用时，只须将软性胶纸撕下，即可封口贴具邮票投递，十分方便快捷，干净卫生。
When the utility model is in use, so long as the softness adhesive paper is torn down, very conveniently and cleanly, an envelope can be sealed and can be affixed with stamps for mailing.
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