Credit found on numerous Australian 1960's-1970's vinyl release sleeves, usually on the bottom of the rear of sleeve. Usually accompanied by the credit: "Printed in Australia By Radio Corporation Pty. Ltd." All of these releases are on Astor or a related label. Electronic Industries Ltd (EIL) was the parent company of Radio Corporation Pty Ltd, makers of Astor brand radios and TVs, and Eclipse Radio Pty Ltd.
Single from the same era may have "Pressed By The Manufacturers of Astor Radio TV Appliances" on company sleeves, e.g., You Still Want Me