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Coalpro Trademarks
COALPRO
Froth flotation machines for treatment and recovery of fine coal particles
Cancelled
·
February 4, 2011
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85234487
·
COALPRO
Froth flotation machine for treatment and recovery of fine coal particles
Abandoned
·
June 7, 2001
·
78067881
·
COALPRO
engineering consulting services in the area of power generation and energy
Cancelled
·
March 8, 2006
·
76656252
·
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