000			00419nam a2200157 a 4500
001			000806744
003			AM-YeNLA
005			20231015184001.0
008			110429s1937 ru r 000 0 eng d
041	0		_aeng
245	0	0	_aAcetylene generators and accessories : _b(Catalog).
260			_aMoscow : _bTechnoexport, _c/1937/.
300			_a31 p. : _bill. ; _c28 cm.
650	1	4	_aChemical engineering
942			_2udc _cBK
999			_c712482 _d712482