452 ISO 4981-2023 2023-06-01 English Plastics piping systems for non-pressure underground conveyance and storage of non-potable water — Boxes used for retention, detention, storage and transportation systems — Specifications for storm water boxes made of PE, PP and PVC-U - First Edition 453 ...
ISO 68-1-1998ISO一般用途螺纹.基本刨面图.第1部分:米制螺纹ISO general purpose screw threads - Basic profile - Part 1: Metric screw threads ISO 68-2-1998ISO一般用途螺纹.基本刨面图.第2部分:英制螺纹ISO general purpose screw threads - Basic profile - Part 2: Inch screw threads ...
75 ISO ISO/IEC/IEEE 8802-3 AMD 4-2017 2017-11-01 English Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Standard for Ethernet AMENDMENT 4: Physical layer specifications and management param ...
45 ISO FDIS 8980-1-2017 2017-02-27 English Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses 46 ISO FDIS 19720-1-2017 2017-02-27 English Building construction machinery and equipment - Plants for the preparation of concrete and...
DIN ISO 6621-4-1990内燃机.活塞环.第4部分:一般要求(Internal combustion engines; piston rings; general specifications; identical with ISO 6621-4:1988) DIN ISO 6621-5-1990内燃机.活塞环.第5部分:质量要求(Internal combustion engines; piston rings; quality requirements; identical with ISO 6621-5:1988...
Filtration Standards, & Specifications Contaminants Required Comments & Information ANSI B93.31: Multipass Method for Evaluating the Filtration Performance of a Fine Hydraulic Fluid Power Element ISO 12103-1, A2 Fine Test Dust (AC Fine Test Dust per standard is obsolete) B93.31: Hydraulic Filter Mult...
68 ISO 16549-2021 2021-01-01 English Textiles — Unevenness of textile strands — Capacitance method - Second Edition 69 ISO 20596-2-2021 2021-01-01 English Water quality — Determination of cyclic volatile methylsiloxanes in water — Part 2: Method using liquid-liquid extraction with gas chro...
英文名:Extenders — Specifications and methods of test — Part 8: Natural clay ISO 24575-2023 中文版翻译 实施日期:2023-05-31 英文名:General principles and guidelines for cost analysis in planning of decentralized wastewater treatment and/or reuse ...
68 ISO 16038-2017 2017-11-01 English Male condoms - Guidance on the use of ISO 4074 and ISO 23409 in the quality management of condoms - Second Edition 69 ISO 20760-2-2017 2017-11-01 English Water reuse in urban areas - Guidelines for centralized water reuse system - Part 2: Management...
103 ISO DIS 4586-5-2017 2017-02-17 English High-pressure decorative laminates (HPL, HPDL) - Sheets based on thermosetting resins (Usually called Laminates) - Part 5: Classification and specifications for flooring grade laminates less than 2 mm thick intended for bonding to supporting s 104 ISO...