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IR

Code

Meaning

Language

Themes and places

IR

Investor Relations

In English

• Finance

IR

Infrared

In English

• Optics

IR

Inner Roll

In English

IR

Inside Radius

In English

IR

Interchangeability and Replaceability

In English

• Engineering, technology
• Maintenance

IR

Interrogator-Responder

In English

IR

Information Retrieval

In English

• Libraries

IR

Integration Review

In English

• Quality management