研究和实验用品

TFE蒸发板100ml

TFE蒸发板100ml [规格] <br...

PTFE观看层片150φ

PTFE手表钢包150φ[规格] <br...

PTFE手表层层125φ

PTFE手表钢包125φ[规格] <br...

PTFE观看层层100φ

PTFE手表钢包100φ[规格] <br...

PTFE手表laminatria75φ

PTFE手表钢包75φ[规格] <br>...

PTFE观看层50φ

PTFE手表钢包50φ[规格] <br>...