Description  Claims  Drawing  Cited references 

JPSHO6268468B   [0003] 
FR564927A   [0004] 
DE1563345A1   [0004] 
US3401291A   [0005] 
US2139748A   [0006] 
JP54148207A   [0007] 
JP2002315282A   [0008] 
US2370458A   [0009] 
JP362068468B   [0010]