革兰氏结晶紫染色试剂 for the Gram staining method
革兰氏结晶紫染色试剂 for the Gram staining method
苏木紫色素结晶 for microscopy Certistain
革兰氏结晶紫染色试剂 for the Gram staining method
革兰氏结晶紫染色试剂 for the Gram staining method
苏木紫色素结晶 for microscopy Certistain
苏木紫色素结晶 for microscopy Certistain