EP-4169454-C0 - CLOSURE SYSTEMEP4169454C0EP 4169454 C0EP4169454 C0EP 4169454C0EP-4169454-C0InventorsUCHIDA HARUTOSHIAssigneesNETBUSINESS CONSULTING CO LTDDatesPublication Date20260128Application Date20210610Priority Date20200622