A package for storing oxygen sensitive goods which contains a gas impermeable tray wrapped in a gas permeable film, a barrier bag within which the wrapped tray is disposed, a closure for closing {TAIL ~ an open end} of the barrier bag, and {HEAD ~ two one way valves} 
A package for storing oxygen sensitive goods which contains a gas impermeable tray wrapped in a gas permeable film , a barrier bag within which the wrapped tray is disposed , a closure for closing { TAIL ~ an open end } of the barrier bag , and { HEAD ~ two one way valves }
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