Science and Technology · General Engineering
भारतीय मानक कोड IS 2190 के अनुसार, पोर्टेबल प्राथमिक उपचार अग्निशामक यंत्रों के चयन, स्थापना और रखरखाव के दिशानिर्देशों के लिए आमतौर पर किस संशोधन वर्ष का संदर्भ दिया जाता है?
- 1IS 2290-1190
- 2IS 2190-1992✓
- 3IS 2290-1922
- 4IS 2190-1990
सही उत्तर देखें
IS 2190-1992
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