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Gas-fired central heating boilers. Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 Kw. Classification, requirements, test methods and marking
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Organic dyestuffs. The methods of comparative dyeing for natural leather
Document status: Active
Pinch and wrenching steel bars. Specifications
Document status: Withdrawn
Space products. Design manager's supervision in production process
Document status: Active