知行 EDI 规范查询平台™
/
EDIFACT EDI Release D01B
/
BII
/
BII0204
/
Element
EDIFACT EDI Release D01B
BII
7442
Level four identifier
To identify the fourth facet of a sequencing mechanism used to position an item within an indexing structure.
属性
数据类型
AN
必须?
Optional
长度
Min 0 / Max 17
