1988 year China issued GB standards list


	GB/T 266-1988 Petroleum products--Determination of Engler viscosity 石油产品恩氏粘度测定法
	GB/T 56-1988 Hexagon thick nuts 六角厚螺母
	GB/T 63-1988 Lifting nuts 环形螺母
	GB/T 929-1988 Self-locking nuts，singlelug，anchor 单耳托板自锁螺母
	GB/T 8822.13-1988 Seed zones of Chinese forest trees--Seed zones of Ulmus pumila L. 中国林木种子区白榆种子区
	GB/T 10016-1988 Tree seed storage 林木种子贮藏

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