US Trademark Classification US13 Firearms and explosives 雷场破障用爆炸装置（013-533） Class 13 雷场破障用爆炸装置 013-533 Chinese 雷场破障用爆炸装置 English Explosive devices for minefield breaching Term ID 013-533 Class 13 Type Goods Status Active · added, not since modified (A) Effective date 2022-11-17 Version 11-2022
