Levitskij E.A.
    ,        Parmon V.N.
    ,        Moroz E.M.
    ,        Bogdanov S.V.
    ,        Bogdanchikova N.E.
    ,        Kovalenko O.N.
    
Heat-accumulating material and use thereof
Number: CN1055947C,
действие с Jun 24, 2000,
Request number 93103490.6 from  Feb 24, 1993
    
                    
                        
                            No identifiers
                    
                                            
                            
                            蓄热材料及其用途
                        
                    
                                            
                            
                            Heat-accumulating material and use thereof