1.0پیچ و مهره | پیشگامان پیچ پارس | تولید کننده انواع پیچ و مهرهhttps://www.3ppars.com/en/مستر وبhttps://www.3ppars.com/en/author/mrkadmin/rich600338<blockquote class="wp-embedded-content" data-secret="4vLgZ2c43p"><a href="https://www.3ppars.com/en/bs-standard/">BS standard</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.3ppars.com/en/bs-standard/embed/#?secret=4vLgZ2c43p" width="600" height="338" title="“BS standard” — پیچ و مهره | پیشگامان پیچ پارس | تولید کننده انواع پیچ و مهره" data-secret="4vLgZ2c43p" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> BS and BSI standards The British Standards Institution (BSI) is the UK’s national BS standard authority. This organization not only produces technical standards, but also provides certification services to companies. The BSI, originally established as the Engineering Standards Committee in 1901, is the British Standards Institution, which mainly serves the following purposes: To reduce technical […]https://www.3ppars.com/wp-content/uploads/2022/06/sublogo.png