# Research Progress of Related Technologies of Electric-Pneumatic Pressure Proportional Valves

> Research article (Applied Sciences, 2017) · cited 26× · AI/ML

**Wikidata**: [openalex:W2766694966](https://www.wikidata.org/wiki/openalex:W2766694966)  
**Source**: https://4ort.xyz/entity/research-progress-of-related-technologies-of-electric-pneumatic-pressure-proportional-valves