Normes

Rechercher

ISO 4848:1980

Concrete — Determination of air content of freshly mixed concrete — Pressure method

Specifies a method for the determination of the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure. The method is intended for use with concretes and mortars made with relatively dense aggregates for which the aggregate correction factor can be satisfactorily determined by the technique described in clause 5. It is not applicable…

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-02-29

Code(s) de l'ICS :

91.100.30

ISO 658:1980

Oilseeds — Determination of impurities content

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-01-31

Code(s) de l'ICS :

67.200.20

ISO 1738:1980

Butter — Determination of salt content (Reference method)

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-01-31

Code(s) de l'ICS :

67.100.20

ISO 2598:1980

Iron ores — Determination of silicon content — Gravimetric methods

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-01-31

Code(s) de l'ICS :

73.060.10

ISO 4686:1980

Iron ores — Determination of silicon content — Reduced molybdosilicate spectrophotometric method

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-01-31

Code(s) de l'ICS :

73.060

ISO 4688:1980

Iron ores — Determination of aluminium content — Flame atomic absorption spectrometric method

Éditeur :

ISO

Statut :

Annulée

Date de publication :

1980-01-31

Code(s) de l'ICS :

73.060.10

Z243.41-1980 (R2018)

OCR Paper

1. Purpose, Scope and Application 1.1 Purpose The purpose of this standard is to establish the requirements and test procedures for paper to be used in Optical Character Recognition (OCR) Systems. 1.2 Scope This standard contains basic definitions, measurement requirements, specifications, and recommendations for papers used with optical character recognition readers.…

Éditeur :

CSA

Statut :

Norme

Date de publication :

1979-12-31

Code(s) de l'ICS :

85.060

IEC 60418-2A:1980

Variable capacitors - Part 2: Type specification for variable tuning capacitors Type A - First suppl...

Supplementary document to the type specification. Contains requirements for style and layout, and minimum content of detail specifications.

Éditeur :

IEC

Statut :

Annulée

Date de publication :

1979-12-31

Code(s) de l'ICS :

31.060.60

IEC 60418-2B:1980

Variable capacitors - Part 2: Type specification for variable tuning capacitors Type A - Second supp...

Supplementary document to the type specification. Contains requirements for style and layout, and minimum content of detail specifications.

Éditeur :

IEC

Statut :

Annulée

Date de publication :

1979-12-31

Code(s) de l'ICS :

31.060.60

IEC 60418-3A:1980

Variable capacitors - Part 3: Type specification for variable trimmer capacitors Type B - First supp...

Supplementary document to the type specification. Contains requirements for style and layout, and minimum content of detail specifications.

Éditeur :

IEC

Statut :

Annulée

Date de publication :

1979-12-31

Code(s) de l'ICS :

31.060.60