ISO 7524 2020 Ferronickels Determination of carbon content Infrared absorption method after induction furnace combustion
ISO 1222 2010 Photography — Tripod connections.pdf
ISO 13909-8 2016 Hard coal and coke — Mechanical sampling — Part 8 Methods of testing for bias.pdf
ISO 21983 2019 Guidelines for the harvesting, transportation, separation of stigma, drying and storage of saffron before packing.pdf
ISO 17226-2 2018 Leather Chemical determination of formaldehyde content Part 2 Method using colorimetric analysis.pdf
ISO 14617-11 2002 Graphical symbols for diagrams — Part 11 Devices for heat transfer and heat engines.pdf
ISO 8791-3 2017 Paper and board Determination of roughness-smoothness (air leak methods) Part 3 Sheffield method.pdf
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ISO 4046-4 2016 Paper, board, pulps and related terms — Vocabulary — Part 4 Paper and board grades and converted products.pdf
ISO TR 29922 2017 Natural gas — Supporting information on the calculation of physical properties according to ISO 6976.pdf
ISO 13900 1997 Steel — Determination of boron content — Curcumin spectrophotometric method after distillation.pdf
GB-T 6730.52-2018 铁矿石 钴含量的测定 火焰原子吸收光谱法.pdf
GB-T 31013-2014 声学 管道、阀门和法兰的隔声.pdf
GB-T 17461-1998 金属覆盖层 锡-铅合金电镀层.pdf
GB-T 1938-2009 木材顺纹抗拉强度试验方法.pdf
GB-T 3487-2024 乘用车轮辋规格系列.pdf
GB-T 18502-2018 临界电流测量 银和-或银合金包套Bi-2212和Bi-2223氧化物超导体的直流临界电流.pdf
GB-T 21136-2007 打叶烟叶 叶中含梗率的测定.pdf
GB-T 39096-2020 石油天然气工业 油气井油管用铝合金管.pdf
GB-T 8572-2010 复混肥料中总氮含量的测定 蒸馏后滴定法.pdf
GB-T 22027-2008 热塑性弹性体 命名和缩略语.pdf