QB/T 3638-1999 in English

本标准规定了皮制球设计、工艺操作、质量缺陷等术语。
本标准适用于以牛、猪、羊等天然皮革、合成革通过手工缝制或胶粘工艺制成的篮、排、足、手球，不适用于橡胶球和塑料球。

Scope

This standard specifies terms such as leather ball design, process operations, and quality defects. This standard applies to baskets, rows, feet, and handballs made of natural leather or synthetic leather such as cattle, pigs, sheep, etc., through hand sewing or gluing processes. It does not apply to rubber balls and plastic balls.