C - Chemistry – Metallurgy – 12 – P
Inventor
C - Chemistry, Metallurgy
12
P
Inventor
2-oxo-1(2h)-pyridinecarbonitrile and substituted derivatives...
Antibiotic em-49 from bacillus circulans
Antibiotic janiemycin from streptomyces macrosporeus
Freeway access ramp traffic control
Freeway access ramp traffic control
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