文档介绍：噶日
中华人民共和国国家标准
球型支座技术条件
一一发布一一实施
国家质董叠技术监督局发布
目次
前言··················································································································⋯⋯
范围··· ······················ ·····································⋯⋯‘·······································⋯⋯
引用标准·········································································································⋯⋯
产品分类与命名································································································⋯⋯
技术要求················································