QB 1952.2-2004.Upholstered furniture- Spring mattress. 1范围 QB 1952.2规定了软体家具弹簧软床垫的术语和定义、代号、产品分类、要求、试验...
QB轻工标准
QB轻工标准
QB轻工标准
QB 1952. 2 -2004 软体家具弹簧软床垫
QB 1952. 2 -2004.Upholstered furniture- Spring mattress. 1 范围 QB 1952. 2规定了软体家具弹簧软床垫的术语和定义、代号、产品分类、要...