Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols; German version EN 1861:1998
Information processing; Nassi-Shneiderman flowchart symbols
Shipbuilding -- Pipework -- Information transfer
发布日期:1988-03-01 实施日期:1988-03-01
Symbole fuer Ablaufdiagramme zur Kohleaufbereitung Graphical Symbols for Coal Preparation Plant Flowsheets (Q) Symboles graphiques. utiliser dans les schemas de preparation du charbon. Specifications
实施日期:1992-01-01
Flow chart of air separation plant-Graphical symbols and letter codes
发布日期:2010-02-11 实施日期:2010-07-01
Methods of presentation of flowsheet for mineral, coal and rock processing
Preparation of hard coal; preparation-plants; graphical symbols for flowsheets
实施日期:1998-04-01
Information processing--Documentation symbols and conventionsfor data, program and system flowcharts, program network charts and system resources charts
发布日期:1989-06-11 实施日期:1990-01-01
发布日期:2012-11-08 实施日期:2012-11-08
实施日期:2003-05-01
Hochbau. Messinstrumente. Verfahren zur Bestimmung der Genauigkeit. Theodolite Measuring Instruments for Building Construction Part 4:Methods for Determining Accuracy in Use of Theodolites (ISO 8322-4:...
实施日期:1992-01-01
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