BRAND^®计数舱BLAUBRAND^® Neubauer改进型

BRAND^®计数舱BLAUBRAND^® Neubauer改进型, without clips, bright-line

BRAND^®计数舱BLAUBRAND^® Neubauer改进型, without clips, double ruled

BRAND^®计数舱BLAUBRAND^® Neubauer改进型, with clips, double ruled