{"product_id":"defibrylator-plakat","title":"Defibrillator - Poster","description":"\u003cp\u003ePoster featuring a reproduction of a patent depicting a mechanically powered external defibrillator by Sreeram Dhurjaty. The patent description includes the following explanation of what it concerns: \"A defibrillator comprising a device for generating alternating voltage, a power factor regulator for converting alternating voltage into direct voltage, and a device for converting direct voltage into a two-phase waveform voltage. The defibrillator also includes a device for detecting the electrical activity of the human heart and enabling an audible signal corresponding to such activity to be heard.\" Patent No. US6597949B1 was published in 2003 by the United States Patent and Trademark Office.\u003c\/p\u003e","brand":"posterpolytechnic","offers":[{"title":"Smooth \/ 30x40 cm","offer_id":51765438447956,"sku":null,"price":79.0,"currency_code":"PLN","in_stock":true},{"title":"Smooth \/ 40x50 cm","offer_id":51765438480724,"sku":null,"price":99.0,"currency_code":"PLN","in_stock":true},{"title":"Smooth \/ 50x70 cm","offer_id":51765438513492,"sku":null,"price":129.0,"currency_code":"PLN","in_stock":true},{"title":"Smooth \/ 61x91 cm","offer_id":51765438546260,"sku":null,"price":149.0,"currency_code":"PLN","in_stock":true},{"title":"Smooth \/ 70x100 cm","offer_id":51765438579028,"sku":null,"price":169.0,"currency_code":"PLN","in_stock":true},{"title":"Exclusive with texture \/ 30x40 cm","offer_id":51765438611796,"sku":null,"price":149.0,"currency_code":"PLN","in_stock":true},{"title":"Exclusive with texture \/ 40x50 cm","offer_id":51765438644564,"sku":null,"price":249.0,"currency_code":"PLN","in_stock":true},{"title":"Exclusive with texture \/ 50x70 cm","offer_id":51765438677332,"sku":null,"price":299.0,"currency_code":"PLN","in_stock":true},{"title":"Exclusive with texture \/ 61x91 cm","offer_id":51765438710100,"sku":null,"price":349.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4022\/9140\/files\/Defibrylatorplakatpapirus.jpg?v=1746131400","url":"https:\/\/posterpolytechnic.com\/en\/products\/defibrillator-poster-2","provider":"Poster Polytechnic","version":"1.0","type":"link"}