Standards World

ISO 730:2009 pdf free download - Agricultural wheeled tractors - Rear-mounted three-point linkage一 Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4. 3.1.4 three-point hitch coupler device which facilitates the connection of the tractor three-point linkage...

ISO 725:2009 pdf free download - ISO inch screw threads一Basic dimensions. International Standards are drafted in accordance with the rules given in the ISO!IEC Directives, Part 2. The main task of technical committees is to prepare International...

ISO 660:2009 pdf free download - Animal and vegetable fats and oils - Determination of acid value and acidity. 4 Principle The sample is dissolved in a suitable solvent mixture, and the acids present are titrated with...

ISO 369:2009 pdf free downoad - Machine tools一Symbols for indications appearing on machine tools. ISO 369 specifies symbols and the corresponding meanings in English, French and German for application in the field of machine tools. The symbols...

ISO 00369:2009 pdf free download - Machine tools一Symbols for indications appearing on machine tools. In response to increasing interest in the design and use of graphical symbols worldwide, this International Standard presents a large number of symbols...

ISO 204:2009 pdf free download - Metallic materials - Uniaxial creep testing in tension一Method of test. — test results; — position of the rupture (when outside of central two thirds of the parallel length): percentage initial plastic...

ISO 5-3:2009 pdf free download - Photography and graphic technology一 Density measurements一 Part 3: Spectral conditions. 4.3 Types of instruments Density measurements can be performed using two types of instrument, denoted as filter and spectral. A fully...

ISO 5-1:2009 pdf free download - Photography and graphic technology一 Density measurements一 Part 1: Geometry and functional notation. 8 Functional notation 8.1 General Functional notation provides a means of denoting the measured quantity, 1, and the parameters...

ISO 00005-4:2009 pdf free download - Photography and graphic technology一 Density measurements一 Part 4: Geometric conditions for reflection density. 5 Distinction between ideal and realized parameters The unambiguous definition of density requires that geometric, as well as...

ISO 00005-1:2009 pdf free download - Photography and graphic technology一 Density measurements一 Part 1: Geometry and functional notation. 5 Instrument representation Every instrument used to perform optical density measurements of a specimen typically has three components: —...