En资源列表
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[国外标准] BS EN 656-2000 Gas-fired central heating boilers Type B boilers of nominal heat input exceeding 70 k
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[国外标准] BS EN 641-1995 Reinforced concrete pressure pipes, cylinder type, including joints and fittings
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[国外标准] BS EN 637-1995 Plastics piping systems — Glass-reinforced plastics components Determination of the
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[国外标准] BS EN 636-3-1997 Plywood- Specifications Part 3. Requirements for plywood for use in exterior condit
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[国外标准] BS EN 636-2-1997 Plywood -Specifications Part 2. Requirements for plywood for use in humid condition
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[国外标准] BS EN 636-1-1997 Plywood - Specifications Part 1. Requirements for plywood for use in dry conditions
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[国外标准] BS EN 635-5-1999 Plywood -Classification by surface appearance Part 5 Methods for measuring and expr
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[国外标准] BS EN 631-2-1999 Materials and articles in contact with foodstuffs Catering containers Part 2 Dimens
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[国外标准] BS EN 629-2-1996 Transportable gas cylinders 25E taper thread for connection of valves to gas cylind
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[国外标准] BS EN 629-1-1996 Transportable gas cylinders 25E taper thread for connection of valves to gas cylind
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[国外标准] BS EN 626-2-1996 Safety of machinery — Reduction of risk to health from hazardous substances emitted
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[国外标准] BS EN 626-1-1995 Safety of machinery — Reduction of risks to health from hazardous substances emitte