Interference Microscope "JENAVAL Interphako"
50 Pf. 1989
Germany DDR
| Country: | Germany DDR |
| Type: | Postage stamps |
| Series: | 100 years Carl-Zeiss-Foundation, Jena |
| Nominal: | 50 Pf. |
| Year: | 1989 |
| Size: | 26 x 43 mm |
| Perforation: | comb 14 |
| Mintage: | 3,000,000 |
100 years Carl-Zeiss-Foundation, Jena
 Interference Microscope "JENAVAL Interphako" |  Two-coordinate Measuring Instrument ZKM 01-250 C 0.55$ |