IS 13109 : Part 2 : 1991

IS 13109 : Part 2 : 19911356150
IS 13109 : Part 2 : 1991
Title: electronic equipment/systems for use in coal and metaliferrous mines:Part 2 Requirements for automatic telephone systems


Format: Print
Pages: 2
Year: 1991
Publisher: Bureau of Indian Standards
Availability: Out of Stock