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title 46
Shipping
chapter I
CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
part 32
PART 32—SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS
subpart 32.30
Subpart 32.30—Sound Powered Telephone, Voice Tube, and Engine Order Telegraph Systems
Subpart 32.30. Subpart 32.30—Sound Powered Telephone, Voice Tube, and Engine Order Telegraph Systems
§ 32.30-1 - Voice tubes or telephone equipment—T/ALL.
§ 32.30-5 - Engine order telegraph equipment—T/ALL.