HK-40131874-A - EASY-OPEN PACKAGEHK40131874AHK 40131874 AHK40131874 AHK 40131874AHK-40131874-AInventorsAZUMA, TOSHIFUSATakeda, MizukiAssignees东洋制罐集团控股株式会社DatesPublication Date20260508Application Date20260203Priority Date20230105