Talu ai nei, ZR-6012 Aerosol Photometer ma le ZR-1300A Aerosol Generator na manuia le auina atu i Sigapoa ma Vietnam. I le aso 17 o Oketopa, na faia ai e le fale gaosi se sauniga tuʻuina atu i le gaosiga departm ...
Ia Iulai 2020, o le oloa fetu, ZR-1006 Mask Particulate Filtration Efficiency ma le Air flow Resistance Tester Fa'atomuaga O le ZR-1006 mask particle filtration efficiency and airflow resistance...
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