ICS11523.040.60(G8中华人民共和国国家标准GB/T3287-2000eqvISO49:1994可锻铸铁管路连接件Malleablecastironpipefittings2000一11一21发布2001一05一01实施国家质董轰技术监督局发布Gs/T3287-2000目次前言···························································································。················⋯⋯工ISO前言···。·········。·············。········································································⋯⋯I1范围·········································································································⋯⋯12引用标准····································································。·。········。···················⋯⋯13定义······。·······。······。。·······。······。。·································································⋯⋯14产品分类·····················································,············································⋯⋯35技术要求·················································。··············。···········。·······················一66试验方法........................·······。··································································⋯⋯97检验规则········································。············...