Code of Federal Regulations
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30 CFR Mineral Resources
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I Mine Safety and Health ...
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B Testing, Evaluation, an...
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28 Fuses For Use With Dir...
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Subpart A —
General Provisions
§28.1 —
Purpose
§28.2 —
Approved fuses
§28.3 —
Installation, use, and maintenance of approved fuses
§28.4 —
Definitions