gilsonite cement硬沥青水泥
gilsonite varnish硬沥青清漆
gilsonite e黑沥青
sulfonated gilsonite磺化沥青
Lexco Inc Gilsonite名字
Operations Lexco Inc Gilsonite标签
gilsonite and similar materials沥青类产品
Lexco Inc Gilsonite Operations名称
N(名词) a very pure form of asphalt found in Utah and Colorado; used for making paints, varnishes, and linoleum 硬沥青 [trademark]