SchottDURAN Three-way stopcocks, T-bore 4 mm, NS 18.8, complete with PTFE-key and 3 part retaining device |
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http://www.beretmall.com/product/detail.aspx?id=126123
SchottDURAN Three-way stopcocks, T-bore 4 mm, NS 18.8, complete with PTFE-key and 3 part retaining device |
无参数