知行 EDI 规范查询平台™
/
X12 EDI Release 00305
/
EFI
/
EFI12
/
Element
X12 EDI Release 00305
EFI
804
Block Type
Organization of a data block such as fixed length, variable length, spanned, etc. Synonym for ``data format''.
属性
数据类型
AN
必须?
Optional
长度
Min 1 / Max 4
