知行 EDI 规范查询平台™
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EDIFACT EDI Release D97B
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UNH
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UNH0205
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Element
EDIFACT EDI Release D97B
UNH
0057
Association assigned code
A code assigned by the association responsible for the design and maintenance of the message type concerned, which further identifies the message.
属性
数据类型
AN
必须?
Optional
长度
Min 0 / Max 6