"Alliance of Motion Picture and Television Producers" . . . . "AMPTP" . . . . . . . . "Alliance of Motion Picture and Television Producers#Post%20Production%20Guild" . . "Association of Motion Picture Producers" . "Alliance_of_Motion_Picture_and_Television_Producers" . . . . . . . . . "major motion picture movie studios" . "1924" . . . "Alliance of Motion Picture and Television Producers" . . . . "the industry" . "AMPTP Motion Picture and Television Research Center" . . . "Alliance of Motion Picture and Television Producers (AMPTP)" . . .