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ASTM A888/CISPI301 Hubless Tuubbada Ciidda Birta ah
Alaabooyinka leh sumadda UPC® waxay u hoggaansamaan qawaaniinta Mareykanka ee lagu dabaqi karo iyo heerarka. Alaabooyinka leh summada cUPC® waxay waafaqayaan qawaaniinta Maraykanka iyo Kanada ee khuseeya.
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1990 Hal Spigot iyo Socket Kabka birta daadinta/tuubada hawo-siinta
Tuubbooyinka birta tuura oo waafaqsan BS416: Qaybta 1:1990
Qalabka: Birta Cast cawl
Cabbirka: DN50-DN150
Dahaarka gudaha iyo dibadda: bitumen madow