mask
type: Concept
narrower: X-ray mask
preferred label: ماسک @fa

X-ray mask
type: Concept
broader: X-ray lithography
broader: mask
preferred label: ماسک پرتو ایکس @fa

X-ray lithography
type: Concept
narrower: X-ray mask
preferred label: سنگ‌نگاری پرتو ایکس @fa