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ISO/DIS 9635-4 (2006)被替代
Agricultural Irrigation Equipment - Irrigation Valves - Part 4: Air Valves
出版：International Organization for Standardization
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基本信息
標(biāo)準(zhǔn)編號： ISO/DIS 9635-4 (2006)
標(biāo)準(zhǔn)類別：Draft
出版單位：International Organization for Standardization
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Specifies construction and performance requirements and test methods for air valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 degree C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture.
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