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US law
District of Columbia
Regulations
Title 12-B — CONSTRUCTION CODES SUPPLEMENT OF 2013
Chapter 12-B16 — DUCT SYSTEMS
District of Columbia · Regulations
Chapter 12-B16 — DUCT SYSTEMS
1 section
1 section
12-B DCMR 1601
1601. M1601 - DUCT CONSTRUCTION
Superseded
Chapter 12-B16 — DUCT SYSTEMS | District of Columbia Regulations | Justis AI