Electronics & appliances

Two port connecting tube thickened high borosilicate glass Kirschner distillation head fractionation head Claisen joint Y-shaped tube

<p>Two port connecting tube thickened high borosilicate glass Kirschner distillation head fractionation head Claisen joint Y-shaped tube</p>

SupplierYiwu Huosu Trading Companywww.huosulabequipment.com
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