Certificate of Design Patent: Expansion Vessel （LJJXJGC-0501）

Certificate of Design Patent: Expansion Vessel （LJJXJGC-0502）

Certificate of Design Patent: Expansion Vessel （LJJXJGC-0503）

Certificate of Design Patent: Expansion Vessel （LJJXJGC-0505）

Certificate of Design Patent: Expansion Vessel （LJJXJGC-0506）

Certificate of Design Patent: Expansion Vessel （LJJXJGC-0507）