PN C99021 ArkusZ04-1973 Defects of light sensitive photogra- fic materials Characteristic of defects of colour materials on flexi!ble and opa?ue film base
1973PN C99021 ArkusZ04-1973 Defects of light sensitive photogra- fic materials Characteristic of defects of colour materials on flexi!ble and opa?ue film base