VDI/DGQ 3444-1978 Statistical control of exactly working and positioning of coordinate drilling machines and machining centers has been changed from VDI 3254 BLATT 1-1971 NUMERISCH GESTEUERTE WERKZEUGMASCHINEN; GENAUIGKEITSANGABEN@ BEGRIFFE UND STATISCHE KENNGROESSEN.
VDI/DGQ 3444-1978 Statistical control of exactly working and positioning of coordinate drilling machines and machining centers has been changed from VDI 3254 BLATT 2-1971 NUMERISCH GESTEUERTE WERKZEUGMASCHINEN; GENAUIGKEITSANGABEN@ MESSEN STATISCHER KENNGROESSEN.
VDI/DGQ 3444-1978 Statistical control of exactly working and positioning of coordinate drilling machines and machining centers has been changed from VDI 3254 BLATT 3-1972 NUMERISCH GESTEUERTE WERKZEUGMASCHINEN; GENAUIGKEITSANGABEN@ PRUEFEN DURCH PROBEWERKSTUECKE.
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