000			00718nam a2200181Ia 4500
003			MX-MdCICY
005			20250625114750.0
040			_cCICY
090			_aB-1797
245	1	0	_aProcess for Producing High Density Elastic Polyurethane Using a Combination of 4-Methyl-1-(2-Dimethylaminoethyl)Piperazine Together with Another Tertiary Amine Catalyst
490	0		_vUS Patent 4,638,016, 1987
700	1	2	_aArai, Shoji
700	1	2	_aTamano, Yutaka
700	1	2	_aHasegawa, Masazumi
856	4	0	_uhttps://drive.google.com/file/d/1NwC-atEvXCCPvHOVZjKGoKSup-H2po8N/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
942			_2Loc _cREF1
008			250602s9999 xx |||||s2 |||| ||und|d
999			_c36189 _d36189