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Three-way stopcocks acc. to Czako, borosilicate glass 3.3
Three-way stopcocks acc. to Czako, borosilicate glass 3.3
Two-way stopcocks with PTFE plug, borosilicate glass 3.3
3-way stopcocks, T-bore, borosilicate glass 3.3
Needle-valve stopcocks, DURAN® tubing
Stopcocks, with glass plug, borosilicate glass 3.3
Stopcocks, with glass plug, borosilicate glass 3.3