| • light proving relay | |
| प्रकाश: allegation beacon lightness luminosity | |
| प्रमाणन: certification substantiation accreditation | |
| रिले: relay metallic relay | |
प्रकाश प्रमाणन रिले अंग्रेज़ी में
[ prakash pramanan rile ]
| • light proving relay | |
| प्रकाश: allegation beacon lightness luminosity | |
| प्रमाणन: certification substantiation accreditation | |
| रिले: relay metallic relay | |
