| • double piercing process | |
| द्वि: double acting double helical gear double | |
| प्रक्रम: process photographic flight point process | |
द्वि -वेधन प्रक्रम अंग्रेज़ी में
[ dvi -vedhan prakram ]
| • double piercing process | |
| द्वि: double acting double helical gear double | |
| प्रक्रम: process photographic flight point process | |
