Supply of carbon dioxide gas for mig welding as per spec. no. is307/1966, gr.i and co2 purity minimum 99.7% volume. <br /> carbon dioxide gas for mig welding as per spec. no. is307/1966, gr.i and co2 purity minimum99.7% volume.
carbon dioxide gas for mig welding as per spec. no. is:307/1966, gr.i and co2 purity minimum 99.7% volume.
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