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Made of DURAN ® tubing. Bent air leak tubes (angle: 90°), built-in length: 250mm, with NS cone and thin capillary (easily to draw by burner)....
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Made of DURAN® tubing. Bent air leak tubes (angle: 90°), built-in length: 250mm, with NS cone and thin capillary (easily to draw by burner).
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