IS 13109 : Part 4 : 1991
IS 13109 : Part 4 : 19911356153
IS 13109 : Part 4 : 1991
Title: electronic equipment/systems for use in coal and metaliferrous mines:Part 4 Requirements for sound powered magneto telephone systems
Format: Print
Pages: 2
Year: 1991
Publisher: Bureau of Indian Standards
Availability: Out of Stock
Title: electronic equipment/systems for use in coal and metaliferrous mines:Part 4 Requirements for sound powered magneto telephone systems
Format: Print
Pages: 2
Year: 1991
Publisher: Bureau of Indian Standards
Availability: Out of Stock
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