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Acetylene gas.

Municipal Code of Chicago § 15-4-270
in effect
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15-4-270 Acetylene gas. A certificate of fitness shall be required before any operation shall begin under a license for the collecting or compressing of acetylene gas at any pressure in excess of 15 pounds per square inch. (Prior code § 90-25)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2676921Fetched: 10/24/2026

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15-4-270 | Corpus