Gb T 25064 2010 Translated English Of Chinese Standard Gbt 25064 2010 Gb T25064 2010 Gbt25064 2010

This Standard, for the electronic signature of digital signature type generated based on public key cryptography, defines the main parties to electronic signature and validation, the types of electronic signature, validation and arbitration requirements. This Standard also standardizes the data formats of electronic signature, including basic data formats, validation data formats, and signature policy formats, etc. This Standard applies to the design and implementation of electronic signature products. The testing, evaluation, and purchase of related products can also refer to it.

This standard specifies the requirements, sampling, test methods, inspection rules, marking, labeling, packaging, transportation and storage of sulphur black 2BR, 3B 200% (C.I. sulphur black 1, double sulfide black) products.

This Standard specifies dimensions and tolerances for wrought copper and copper alloy plate, sheet and strip. This Standard is applicable to wrought copper and copper alloy plate, sheet and strip for general purposes.

This Standard specifies the terms and definitions, sample preparation, test for physical properties of covers, penetration analysis determination method for inside liners of tyres, test for physical properties of inner tubes and test for physical properties of flaps for test methods for measuring physical properties of pneumatic tyres (covers, inner tubes and flaps).

This part specifies the term and definition, classification, codification, dimensions, shape, weight, technical requirements, inspection and test, packaging, marking and quality certificate, etc. for cold-rolled high strength transformation induced plasticity steel sheets and strips.

This part of GB/T 18487specifies classification, general requirements, communication, electric shock protection, connection between electric vehicle and supply equipment, special requirements of vehicle coupler, plug and socket-outlet, supply equipment structure requirement, performance requirement, overload protection and short circuit protection, emergency stop, service conditions, repair, marking and description for electric vehicle conductive charging system.

This Part specifies the dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of cold rolled high strength isotropic steel sheet and strip.

This standard specifies the requirements, test methods, inspection rules and markings, packaging, transport, storage, quality certificate and contract (or order form) contents of titanium and titanium alloy seamless tubes. This standard is applicable to titanium and titanium alloy seamless tubes which are produced by cold rolling (cold drawing) method. It is suitable for general industrial use.