"10415439-n"^^ . . . . "a skilled worker who perfects something; \"although not the inventor he must be recognized as the perfecter of this technique\""@en-us . . "110415439"^^ . . "0.125"^^ . . . . "perfecter"^^ . . . . "perfecter"@en-us . "109740223"@en-us . "0"^^ . . .