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[建材标准]BS EN 1568-4-2000 Fire extinguishing media. Foam concentrates. Specification for low expansion foam concentrates for surface application to water-miscible liquids 10-13 00:05:27 |
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[建材标准]BS EN 1568-3-2000 Fire extinguishing media. Foam concentrates. Specification for low expansion foam concentrates for surface application to water-immiscible liquids 10-13 00:05:27 |
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[建材标准]BS EN 1568-2-2000 Fire extinguishing media. Foam concentrates. Specification for high expansion foam concentrates for surface application to water-immiscible liquids 10-13 00:05:27 |