White glass spherical double convex having two out side curved parallel surfaces to each other and used for magnification and converging the light and having a positive focal length and two inwards pa
Established Year | : |
Bussiness Type | |
Contact Person | : Mr. Chander Mohan Papneja |
B-102, G.T.Karnal Road, Industrial Area, Behind Shakti Nagar Telephone Exchange, New Delhi - 110033, , India.