helium film
type: Concept
broader: film
broader: helium
preferred label: فیلم هلیم @fa
related: liquid helium

helium
type: Concept
narrower: helium film
preferred label: هلیم @fa

liquid helium
type: Concept
preferred label: هلیم مایع @fa
related: helium film

film
type: Concept
narrower: helium film
preferred label: فیلم @fa