Stamps of China, PRC, electron microscope (1966) design

List | Catalog | Gallery | All issuers || Edit
1 to 1 of 1

postage

1966, Mar 30 new industrial machinery unwmk (no perf info)
Colnect-831-626-Electron-microscope.jpg
- 8f multi electron microscope

1 to 1 of 1