"a method of offset printing using photomechanical plates"@en-us . "0"^^ . "photo-offset printing"@en-us . . "photo-offset printing"^^ . . . . "0"^^ . . . . . "photo-offset"@en-us . "106680431"^^ . "06680431-n"^^ . "106269386"@en-us . . .