GB-12運(yùn)動(dòng)粘度4號(hào)溫度計(jì)常州瑞明生產(chǎn)GB-76*點(diǎn)2號(hào)(甲*點(diǎn))溫度計(jì)，石油產(chǎn)品用玻璃液體溫度計(jì)是用于測定石油產(chǎn)品的閃點(diǎn)、餾程、凝點(diǎn)、和傾點(diǎn)等