JIS A4709:1984 pdfダウンロード。JAPANESE lNDUSTRIALSTANDARD Screens for Aluminium Sliding Windows 1.Scope This Japanese Industrial Standard specifies the aluminium alloy screens,hereinafter referred to as the “screens”, to be attached to aluminium alloy window sashes which are corresponding to sliding in classification according toopening and closing methods，hereinafter referred to as the “sashes” , mainlyamong the aluminium alloy sashes specified in JIs A 4706. Remark:The units and numerical values given in { } in this standard are in accordance with the International system of Units (SI),and are appended for reference. 2.Types and Symbols The types and symbols of the screens shall be in accordance...