Description     Claims     Drawing  

JPS46027126B   [0016] 
WO9807891A   [0016] 
JPH02073924A   [0016] 
JP2008095170A   [0016] 
JP2010047801A   [0016] 
JP2008291354A   [0016] 
WO2011118822A1   [0016] 
JP2011058651A   [0020]  [0021]  [0037] 

Mineral engineering   [0017]