Câu ví dụ
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- ↑ U.S. Patent 4,063,220 "Multipoint data communication system (with collision detection)"
^ Bằng sáng chế Hoa Kỳ số 4.063.220 "Multipoint data communication system (with collision detection)" - ↑ U.S. Patent 4,063,220 "Multipoint data communication system (with collision detection)"
^ Bằng sáng chế Hoa Kỳ số 4.063.220 "Multipoint data communication system (with collision detection)" - ^ U.S. Patent 4,063,220 "Multipoint data communication system (with collision detection)"
^ Bằng sáng chế Hoa Kỳ số 4.063.220 "Multipoint data communication system (with collision detection)" - ^ U.S. Patent 4,063,220 "Multipoint data communication system (with collision detection)"
^ Bằng sáng chế Hoa Kỳ số 4.063.220 "Multipoint data communication system (with collision detection)" - ^ U.S. Patent 4,063,220 "Multipoint data communication system (with collision detection)"
^ Bằng sáng chế Hoa Kỳ số 4.063.220 "Multipoint data communication system (with collision detection)"