Leather. Chemical determination of chromium (VI) content in leather. Part 2. Chromatographic method

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Leather. Determination of abrasion resistance. Part 1. Taber method

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Leather. Determination of abrasion resistance. Part 2. Martindale ball plate method

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Petroleum and natural gas industries. Drilling and production equipment. Part 1. Side-pocket mandrels. General technical requirements

Norma vydaná dňa 1.2.2016

Petroleum and natural gas industries. Drilling and production equipment. Part 2. Flow-control devices for side-pocket mandrels. General technical requirements

Norma vydaná dňa 1.2.2016

Petroleum and natural gas industries. Drilling and production equipment. Part 3. Running tools, pulling tools and kick-over tools and latches for side-pocket mandrels. General technical requirements

Norma vydaná dňa 1.3.2014

Petroleum and natural gas industries. Drilling and production equipment. Part 4. Practices for side-pocket mandrels and related equipment. General technical requirements

Norma vydaná dňa 1.12.2016

Reinforced concrete blocks for ventilation. Specifications

Norma vydaná dňa 1.9.2021

Fruits of coriander. Requirements for purchases and deliveries. Specifications

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Domestic and non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW

Norma vydaná dňa 1.1.2026