CAN/CGSB-88.21-M90

Graduations and Markings on Linear Measuring Instruments for Construction Surveying and Special Applications
1.1 This standard establishes the general and detailed requirements for graduations and markings on metric linear measuring instruments used primarily in construction and surveying. 1.2 The following types of linear measuring instruments are covered by this standard: Folding rule, range pole, level rod, water level staff gauge plate.
OEN:
ONGC
Langue:
English
Code(s) de l'ICS:
17.040.30
Statut:
Annulée
Date de Publication:
1990-12-30
Numéro Standard:
CAN/CGSB-88.21-M90