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Kekar 4d > Perayaan Valentine KEKAR 4D - Sistem Kekar Sepert

MEREK : pun4d

Kekar 4d > Perayaan Valentine KEKAR 4D - Sistem Kekar Sepert

pun4dGrup Slot Bebas sher | Pun4d mantap - ... Pun4d mantapPulsed polarization analyses, also called positive up and negative down (PUND), is one method to measure the polarization properties of a ferroelectric material.

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