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RS 409: 2020
School chalks — Specification

Abstract

This Rwanda Standard specifies requirements, sampling and test methods for white and coloured chalks
intended to be used on chalkboards.
It applies to three types of chalks:
a) soft chalks;
b) hard chalks; and
c) soft dust-free chalks



General Information

CodeClassificationThemePagesPublisherAvailability
RS 409: 2020STANDARDS OF RWANDA ORIGINDomestic and commercial equipment. Entertainment. Sports23First Edition
Jan 2020
Available
Price: RWF 21,000


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