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International Standard Category: Irrigation and drainage equipment

GB/T 18693-2002    Agricultural irrigation equipment--Float type air release valves
农业灌溉设备 浮子式进排气阀 ;
Category No.:65.060.35 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2002-03-10
Implemented Date:2002-8-1 Abolished Date:
Superseded Standard.:GB/T 18691.4-2011 Agricultural irrigation equipment—Irrigation valves—Part 4:Air valves
Superseded Date:2011-10-1
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