Tenders for Custom Bid For Services -Calibration, Servicing And Repair Of :-A. 39 Nos. D-6 Methanometers Make Msa. B. 11 Nos. Mechanical Type Anemometer Make Ota. C. 13 Nos. Personal Dust Sampler Of Arelco France Make. D. 04 Nos. Digital Type Anemometer