div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentgb8163-1999-t-p11-gbthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: GB8163-1999 Tè¾ é æµ ä½ ç ¨æ ç¼ é ¢ç®¡P11è ±æ ç · GBT 22369-1997 GBT 22372-1991 GBT 8163-1999 Methods for chemical analysis of iron steel and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer202205192260103adda804a35029544331html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentgb8163-1999-t-p11-gbthtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: GB8163-1999 Tè¾ é æµ ä½ ç ¨æ ç¼ é ¢ç®¡P11è ±æ ç · GBT 22369-1997 GBT 22372-1991 GBT 8163-1999 Methods for chemical analysis of iron steel and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer202205192260103adda804a35029544331html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentgb8163-1999-t-p11-gbthtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: GB8163-1999 Tè¾ é æµ ä½ ç ¨æ ç¼ é ¢ç®¡P11è ±æ ç · GBT 22369-1997 GBT 22372-1991 GBT 8163-1999 Methods for chemical analysis of iron steel and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer202205192260103adda804a35029544331html5thumbnails3jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=4Page 4button div class=trans-imageimg data-url=documentgb8163-1999-t-p11-gbthtmlpage=4...