Annual Survey of Manufactures (ASM) 2004 - List of Goods
3353119 - Power regulators, boosters, and other transformers and parts for all transformers
Examples of included products:
- Regulators (exc hydraulic or pneumatic), automatic step voltage, three-phase, 750 kVA of regulation or less
- Transformers (exc hydraulic or pneumatic), automatic voltage stabilizing
- Transformers, parts of
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