知行 EDI 规范查询平台™
/
EDIFACT EDI Release 4.1
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USC
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USC0801
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Element
EDIFACT EDI Release 4.1
USC
0551
Service character for signature qualifier
EDI EDIFACT 4.1 USC0801 Element Schema
属性
数据类型
AN
必须?
Mandatory
长度
Min 0 / Max 3
