div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=instalacoes-e-manutencao-de-centrais-de-gas-009htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Instalações e manutenção de centrais de gás 009 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader038vdocumentscombrreader038viewer202211031555ce3f4abb61eba5728b46afhtml5thumbnails1jpg width=140 height=200 divpAs válvulas reguladoras tem validade de 5 anospdiv