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postage
1974, Sep 30 Chairman Mao's Directives on Industrial and Agricultural Teaching a issue unwmk p. 11x11.25 (5 stamps)
| - | 8f | multi | Wang Chin-hsi, "The Iron Man" | |||
| - | 8f | multi | Industrial workers read the directives of Mao | |||
| - | 8f | multi | Workers in winter storm | |||
| - | 8f | multi | Scientific management | |||
| - | 8f | multi | oil field |
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