2,2',7,7'-TetraN,N-di-p-tolylamino-9,9 -spirobifluorene Spiro-TTB 20GMBT AS FrontMaterials Photovoltaics 206326

2,2',7,7'-Tetra(****)amino-9,9-spirobifluoreneSpiro-TTB20GM/BTAS:FrontMaterialsPhotovoltaics206326材料类别:醫材及藥材>试剂>试剂公告日****集团数量/单位2026/08/21****1/BT报价截止日询价案号交货地点2026/08/27【登录查看】UD-240C07長庚大學資材課