US Trademark Classification US07 Machinery 电动真空食品封口机（007-4905） Class 07 电动真空食品封口机 007-4905 Chinese 电动真空食品封口机 English Electric vacuum food sealers Term ID 007-4905 Class 07 Type Goods Status Active · added, not since modified (A) Effective date 2026-01-01 Version 13-2026