真空泵保护滤器VACU-GUARD真空泵保护滤器订货信息–VACU-GUARD货号描述包装/pack6722-5000VACU-GUARD,50mm盘式106722-5001VACU-GUARD,60mm盘式106722-1001VACU-GUARD150囊式,活性炭16722-1002VACU-GUARD150囊式,干燥剂16722-1003VACU-GUARD150囊式,分子筛1)