UPN
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Chitsulo Chachitsulo Chakuda Chopangidwa ndi U Beam C Channel Chokhala ndi Ubwino Wabwino
Tebulo lamakono likuyimira muyezo wa ku UlayaMa channel a U (UPN, UNP),
Mafotokozedwe, katundu, ndi kukula kwa matabwa a UPN, opangidwa motsatira miyezo iyi:
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DIN 1026-1:2000
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NF A 45-202:1986
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EN 10279:2000- Kulekerera
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EN 10163-3:2004- Mkhalidwe wa pamwamba, Kalasi C, Kalasi Yocheperako 1
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STN 42 5550
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ČTN 42 5550
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TDP: STN 42 0135
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