Bing found the following results
EDI 850 Purchase Order | EDI Transaction Sets Format
EDI 850 Explained | What is a Purchase Order? - Cleo
What Is An EDI 850? All About Purchase Orders | Orderful
EDI 850 | Purchase Order | What is EDI 850 - TrueCommerce
850 - Purchase order - IBM
What is the EDI 850 Purchase Order? | SPS Commerce EDI Guide
EDI 850 Purchase Order | EDI 850 Document Specification - Astera
EDI 850 Purchase Order | ANSI X12 Standards
ANSI X12 EDI 850 T-Set: Structure, Benefits & Use Cases
What is an ANSI X12 EDI 850 Message? - SEEBURGER