Technological and industrial history of 20th-century Canada engineer, George de Mestral, velcro, a two sided fastening technology based on hooks and loops, was introduced to a number of countries, including Canada, in the late 1950s. In Montreal, Velek Ltd. acquired the exclusive marketing rights for velcro in North and South America and Japan. The format for sound recordings changed in the years just following the war. In the US, Columbia Records introduced the long playing (LP) 33 format in 1948. Columbia made an agreement with Sparton Records, of London, Ontario, established in 1930, for the manufacture and distribution of its LP records in Canada. Not to be
Swiss Militärblachen models differ in camouflage and part in fastening the buttons. They are sewn or riveted to the Militärblachen, very old models wearing the buttons on a strong string attached such that a button can be used on both sides - to the knob to the cord is pulled through the loop to the opposite side. Older Militärblachen have on one side the Swiss Military TAZ 83 camopattern, the new ones have on both sides a green camo pattern, who is not similar to the Swiss Military TAZ 90 patern. The Swiss Militärblache is square and has a side length of