Nalgene 342020-0060 无菌，PETG 方形有刻度培养基瓶，带盖，聚对苯二酸乙二醇酯共聚物，天然高密度聚乙烯盖，60毫升容量，每箱20 Media Bottle STERILE Graduated – PETG Diagnostics/Packaging 200 5842