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science & industry
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Science and Technology - The Golden Ratio
Science and Technology design type
Short desc: Science and Technology
Used by 8 stamps:
(See all uses as list)
China, ROC 4/22/1988 $1.50
China, ROC 4/22/1988 $3 d=Energy supply
China, ROC 4/22/1988 $7 d=Hepatitis control
China, ROC 4/22/1988 $7.50 d=automation
China, ROC 4/22/1988 $10 d=Information & communications technology
China, ROC 4/22/1988 $12 d=Electro-optics
China, ROC 4/22/1988 $16 d=Materials research
China, ROC 4/22/1988 $16.50 d=microscope & tin can