div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220130235fddd02507ffbe4a1f091a23html5page1jpg target=_blank img data-url=vol9jan1990-70-a-design-and-drawing-program-vol9jan1990-70-a-designhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Vol9JAN1990 70 A Design and Drawing Program …Vol9JAN1990 70 A Design and Drawing Program for Sewerage Takatoshi HA YAKA WA 100 15 10 15 20 20 PJL* Tadahiro FUKAO ¾ßrfi loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220130235fddd02507ffbe4a1f091a23html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220130235fddd02507ffbe4a1f091a23html5page2jpg target=_blank img data-url=vol9jan1990-70-a-design-and-drawing-program-vol9jan1990-70-a-designhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Vol9JAN1990 70 A Design and Drawing Program …Vol9JAN1990 70 A Design and Drawing Program for Sewerage Takatoshi HA YAKA WA 100 15 10 15 20 20 PJL* Tadahiro FUKAO ¾ßrfi loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220130235fddd02507ffbe4a1f091a23html5thumbnails2jpg width=140 height=200 adivdiv