皮革

• Effect of sweat on the dry heat resistance of leathers
  汗液对皮革耐热稳定性的影响
• Pollution of leather chemical products and control
  皮革化学品产生的污染及控制
• Standard test method for apparent density of leather
  皮革的表面密度的标准试验方法
• Oh , tough luck ! the steak is as tough as leather
  真倒霉！这牛排韧得像皮革一样
• Cr leather - chemical tests - determination of chromic oxide
  皮革.化学试验.氧化铬
• Leather - sampling - number of items for a gross sample
  皮革.取样.批样的取样数量
• Preparation and application of leather hand feeling agent
  皮革手感剂的研制及其应用
• Calculation of basicity of chrome tanning liquors
  铬黄碱性值皮革鞣制液的计算
• Xinji leather industry has a history of 400 years
  辛集皮革， 400年悠久历史。
• Standard test method for compressibility of leather
  皮革压缩性的标准试验方法