0077 - Peking Middle School Students Pay Scientific Visits. Visiting studen...Front
Peking Middle School Students Pay Scientific Visits. Visiting students observing a new cutting technique of N.C. Wire spark machining for manufacturing spinnerettes with special profiled hole at the Institute of Electrical Engineering under the academy of Sciences of China.
Image details
Front | Yes |
---|---|
Place | |
Year | 1978 |
Looking for a copy of this image?
Please contact us to request a print or digital download.