The utility model discloses an instantaneous cleaning envelope for postal articles, composed of a cover, a seal lip and a cover lip.
本实用新型公开了一种邮政邮品及时洁信封，它由封套、封舌和盖舌组成。
The utility model discloses an instantaneous cleaning envelope for postal articles, composed of a cover, a seal lip and a cover lip.
本实用新型公开了一种邮政邮品及时洁信封，它由封套、封舌和盖舌组成。
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