File:The Soviet Union 1964 CPA 2993 stamp (Heavy Chemical Industry. Test tubes, banks. Agricultural scenes - fertilizers and pest control).jpg
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The_Soviet_Union_1964_CPA_2993_stamp_(Heavy_Chemical_Industry._Test_tubes,_banks._Agricultural_scenes_-_fertilizers_and_pest_control).jpg (622 × 312 pixels, file size: 54 KB, MIME type: image/jpeg)
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- 1964 all stamps of the Soviet Union
- Industry on stamps of the Soviet Union
- Chemical industry in the Soviet Union
- Chemical plants on stamps
- Agriculture of the Soviet Union on stamps
- Harvest in Russia on stamps
- Harvesting on stamps
- Fertilizers
- Agricultural pests
- Test tubes
- Laboratory flasks
- Chemical industry on stamps