知行 EDI 规范查询平台™
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X12 EDI Release 00301
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EFI
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EFI12
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Element
X12 EDI Release 00301
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