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Reserves of Mirabilite China and by Province and City
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Reserves of Boron Ore China and by Province and City
Current (Chinese)
美国铌进口量
- Import Amount of Niobium by Product in United States in 1995Jan 15, 1996
- Import Amount of Niobium Ores and Concentrates by Country in United States in 1995Jan 15, 1996
- Import Amount of Niobium in United States in 1995Jan 15, 1996
- Import Amount of Niobium in United States in 1994Jan 15, 1995
- Import Amount of Niobium Ores and Concentrates by Country in United States in 1994Jan 15, 1995
- Import Amount of Niobium Ores and Concentrates by Country in United States in 1993Jan 15, 1994
- Import Amount of Niobium in United States in 1993Jan 15, 1994
- Import Amount of Niobium in United States in 1992Jan 15, 1993
- Import Amount of Niobium in United States in 1991Jan 15, 1992
- Import Amount of Niobium in United States in 1990Jan 15, 1991
- Import Amount of Niobium in United States in 1989Jan 15, 1990
- Import Amount of Niobium in United States in 1988Jan 15, 1989
- Import Amount of Niobium in United States in 1987Jan 15, 1988
- Import Amount of Niobium in United States in 1986Jan 15, 1987
- Import Amount of Niobium in United States in 1985Jan 15, 1986
- Import Amount of Niobium in United States in 1984Jan 15, 1985
- Import Amount of Niobium in United States in 1983Jan 15, 1984
- Import Amount of Niobium in United States in 1982Jan 15, 1983
- Import Amount of Niobium in United States in 1981Jan 15, 1982
- Import Amount of Niobium in United States in 1980Jan 15, 1981
- Import Amount of Niobium in United States in 1979Jan 15, 1980
- Import Amount of Niobium in United States in 1978Jan 15, 1979
- Import Amount of Niobium in United States in 1977Jan 15, 1978
- Import Amount of Niobium in United States in 1976Jan 15, 1977
- Import Amount of Niobium in United States in 1975Jan 15, 1976
- Import Amount of Niobium in United States in 1974Jan 15, 1975
- Import Amount of Niobium in United States in 1973Jan 15, 1974
- Import Amount of Niobium in United States in 1972Jan 15, 1973
- Import Amount of Niobium in United States in 1971Jan 15, 1972
- Import Amount of Niobium in United States in 1970Jan 15, 1971
