Automatic explosion-proof devices are essential safety equipment in coal mines worldwide, particularly in countries with significant coal mining industries and stringent safety regulations. Some countries where automatic explosion-proof devices are commonly used in coal mines include:

1. United States: The United States has a long history of coal mining, particularly in regions such as Appalachia and the Powder River Basin. The Mine Safety and Health Administration (MSHA) regulates safety standards for coal mines, including requirements for explosion-proof equipment and systems.

2. China: China is the world's largest producer and consumer of coal, with a vast coal mining industry spanning multiple regions. The Chinese government has implemented strict safety regulations for coal mines, mandating the use of explosion-proof devices to prevent accidents and protect miners.

3. Australia: Australia is a major coal producer, with significant mining operations in Queensland, New South Wales, and other states. The Australian government's Department of Mines, Industry Regulation and Safety (DMIRS) oversees safety standards for the mining industry, including the use of explosion-proof equipment.

4. Russia: Russia has substantial coal reserves and a sizable coal mining sector, particularly in regions such as Siberia and the Kuznetsk Basin. The Federal Environmental, Industrial and Nuclear Supervision Service (Rostekhnadzor) is responsible for regulating safety in the mining industry, including requirements for explosion-proof devices.

5. India: India is one of the world's largest coal producers, with extensive mining operations in states such as Jharkhand, Odisha, and Chhattisgarh. The Directorate General of Mines Safety (DGMS) oversees safety regulations for the mining sector, including standards for explosion-proof equipment.

6. South Africa: South Africa has significant coal reserves and a well-established coal mining industry, with major coalfields located in Mpumalanga and Limpopo provinces. The Department of Mineral Resources and Energy (DMRE) regulates safety standards for the mining sector, including requirements for explosion-proof devices.

7. Germany: Germany has a long history of coal mining, although the industry has declined in recent years. However, safety regulations for coal mines remain stringent, with requirements for explosion-proof equipment enforced by agencies such as the Federal Institute for Geosciences and Natural Resources (BGR).

These countries, along with others with active coal mining industries, prioritize the use of automatic explosion-proof devices to ensure the safety of miners and prevent accidents in hazardous environments.

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