SCHOTT DURAN GL 45 thread adaptor for bottle top vacuum filtration unit (GL 45 external, GL 56 internal) PTFE White |
无参数
http://www.beretmall.com/product/detail.aspx?id=126320
SCHOTT DURAN GL 45 thread adaptor for bottle top vacuum filtration unit (GL 45 external, GL 56 internal) PTFE White |
无参数