知行 EDI 规范查询平台™
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EDIFACT EDI Release D99B
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UNT
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UNT01
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Element
EDIFACT EDI Release D99B
UNT
0074
Number of segments in a message
The number of segments in a message body, plus the message header segment and message trailer segment.
属性
必须?
Mandatory
长度
Min 1 / Max 10