background value and anomaly value
Determination of Oxidation Value and Nitration Value
Chinese Imperial Maritime Customs
Conditions and customs of the south of Fujian Prov
customs
风俗
习惯
惯例
税
通关
海关
报关
报
关税
进
风俗习惯
民俗惯例
进口税
习俗
海关
传统习俗
关税
风情民俗
公序良俗
遗俗
生活习俗
customs and usages of interantioanl trade
Customs Cooperation Council