author = { ISO/TC 82 Bergbau AND ISO/TC 82 Mining AND ISO/TC 82 Exploitation minière AND ISO Internationale Organisation für Normung AND ISO International Organization for Standardization AND ISO Organisation Internationale de Normalisation },

title = { ISO 1721 Rock drilling; Extension drill-steel equipment for percussive long-hole drilling; Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm) },

edition = { 1974-08-00 } ,

publisher = {International Organization for Standardization},

keywords = { Abbau (Bergbau) , Bohreinrichtung , Felsbohrung , Untertagebergbau , Schlagbohren , Gesteinsbohrung , Bergbaugerät , Bohrgerät , Bergbau , Sägengewinde , Verlängerungsstange , Asymmetrical threads , Percussion drilling , Drilling equipment , Underground mining , Lengthening bars , Boring equipment (earthworks) , Rock drillings , Mining , Mining equipment , Forage rocher , Matériel de forage (travaux de terrassement) , Filetage asymétrique , Équipement de forage , Filetage trapézoïdal asymétrique , Equipement de perforation , Matériel minier , Exploitation minière },

year = {1974-08-00},

abstract = {Internationale Übereinstimmung mit: SS-ISO 1721 (2020-04-24) - identisch; UNE 22664 (1985-04-15) - identisch},

booktitle = {ISO-Regelwerk},

booktitle = {ISO-Normen},

address = { Geneve },

url = { http://slubdd.de/katalog?TN_libero_mab2 }