知行 EDI 规范查询平台™
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EDIFACT EDI Release D13B
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UNH
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UNH0205
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Element
EDIFACT EDI Release D13B
UNH
0057
Association assigned code
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