Patents
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C10 - Petroleum, gas or coke industries; Technical gases containing carbon monoxide; Fuels; Lubricants; Peat
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C10C - Working-up tar, pitch, asphalt, bitumen; Pyroligneous acid
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C10C 3 - Working-up pitch, asphalt, bitumen
Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
01/1976
01/27/1976
US3935093
Bitumen blowing
01/27/1976
US3935076
Two stage separation system
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