知行 EDI 规范查询平台™
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X12 EDI Release 00307
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GA
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GA06
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Element
X12 EDI Release 00307
GA
642
Week
Week expressed as year/week (YYWW); week is an integer between 1 and 53 inclusive
属性
数据类型
N
必须?
Optional
长度
Min 4 / Max 4