0653 - New Petro-Chemical Base. Engineer Lin Cheng-hsuan (2nd from left) an...Front
New Petro-Chemical Base. Engineer Lin Cheng-hsuan (2nd from left) and workers asking improvements on the technology of molecular sieve dewaxing.
Image details
| Front | Yes |
|---|---|
| Place | |
| Transcribed | Yes |
| Year | 1972 |
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