OIML
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ʻO ke kaupaona ʻāpana ʻāpana ʻāpana OIML F2 ʻO ke ʻano ʻāpana ʻaʻahu, ke kila kila kila
Hoʻolālā ʻia ʻo Jiajia kaumaha kaumaha rectangular e hōʻoia i nā hana hana palekana a maikaʻi hoʻi, e hoʻolilo iā lākou i ka hopena kūpono no nā kaʻina hana calibration. Hana ʻia nā paona e like me nā kūlana OIML-R111 no nā mea, ke ʻano o ka ʻili, ka nui, a me ka magnetism, ʻo kēia mau kaupaona ke koho kūpono loa no nā laboratories ana ana a me nā National Institutes.