div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentsite-toxic-gbt-3048-9a2007-gbt-3956a-1997-iec-60228-1978-gb-4909htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Site - ToxicGBT 3048 9—2007 GBT 3956— 1997 IEC 60228: 1978 GB 4909 2— 1985 251: 1978 GBT 6995 1—2008 GBT 6995 3—2008 pH IEC 60754-2:1991 GBT idt TEC GBT loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer20220702126104529c37f6327ba75ca688html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentsite-toxic-gbt-3048-9a2007-gbt-3956a-1997-iec-60228-1978-gb-4909htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Site - ToxicGBT 3048 9—2007 GBT 3956— 1997 IEC 60228: 1978 GB 4909 2— 1985 251: 1978 GBT 6995 1—2008 GBT 6995 3—2008 pH IEC 60754-2:1991 GBT idt TEC GBT loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer20220702126104529c37f6327ba75ca688html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentsite-toxic-gbt-3048-9a2007-gbt-3956a-1997-iec-60228-1978-gb-4909htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Site - ToxicGBT 3048 9—2007 GBT 3956— 1997 IEC 60228: 1978 GB 4909 2— 1985 251: 1978 GBT 6995 1—2008 GBT 6995 3—2008 pH IEC 60754-2:1991 GBT idt TEC GBT loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer20220702126104529c37f6327ba75ca688html5thumbnails3jpg width=140 height=200 divdivdiv...