![The materials within a SPD-based glass (from left to right): glass or... | Download Scientific Diagram The materials within a SPD-based glass (from left to right): glass or... | Download Scientific Diagram](https://www.researchgate.net/profile/Mihai-Oltean-2/publication/4245023/figure/fig1/AS:279456179605524@1443638953710/The-materials-within-a-SPD-based-glass-from-left-to-right-glass-or-plastic-panel_Q640.jpg)
The materials within a SPD-based glass (from left to right): glass or... | Download Scientific Diagram
![18 June 2021, Brandenburg, Schönefeld: Dietmar Woidke (SPD), Minister President of Brandenburg, puts on his glasses before the start of the National Aviation Conference 2021 at Berlin Brandenburg "Willy Brandt" Airport (BER). 18 June 2021, Brandenburg, Schönefeld: Dietmar Woidke (SPD), Minister President of Brandenburg, puts on his glasses before the start of the National Aviation Conference 2021 at Berlin Brandenburg "Willy Brandt" Airport (BER).](https://c8.alamy.com/comp/2G4AK4W/18-june-2021-brandenburg-schnefeld-dietmar-woidke-spd-minister-president-of-brandenburg-puts-on-his-glasses-before-the-start-of-the-national-aviation-conference-2021-at-berlin-brandenburg-willy-brandt-airport-ber-the-conference-is-about-the-revival-of-the-aviation-industry-after-the-pandemic-as-well-as-future-topics-of-the-industry-such-as-climate-and-environmental-protection-photo-soeren-stachedpa-zentralbilddpa-2G4AK4W.jpg)
18 June 2021, Brandenburg, Schönefeld: Dietmar Woidke (SPD), Minister President of Brandenburg, puts on his glasses before the start of the National Aviation Conference 2021 at Berlin Brandenburg "Willy Brandt" Airport (BER).
![06 July 2021, Bavaria, Munich: Olaf Scholz, SPD candidate for chancellor and German finance minister, stands in the so-called "Spacelab" during a visit to the medical technology manufacturer Brainlab. He is wearing 06 July 2021, Bavaria, Munich: Olaf Scholz, SPD candidate for chancellor and German finance minister, stands in the so-called "Spacelab" during a visit to the medical technology manufacturer Brainlab. He is wearing](https://c8.alamy.com/comp/2G6HFBP/06-july-2021-bavaria-munich-olaf-scholz-spd-candidate-for-chancellor-and-german-finance-minister-stands-in-the-so-called-spacelab-during-a-visit-to-the-medical-technology-manufacturer-brainlab-he-is-wearing-mixed-reality-glasses-that-show-him-a-holographic-image-photo-sven-hoppedpa-2G6HFBP.jpg)
06 July 2021, Bavaria, Munich: Olaf Scholz, SPD candidate for chancellor and German finance minister, stands in the so-called "Spacelab" during a visit to the medical technology manufacturer Brainlab. He is wearing
![The materials within a SPD-based glass (from left to right): glass or... | Download Scientific Diagram The materials within a SPD-based glass (from left to right): glass or... | Download Scientific Diagram](https://www.researchgate.net/profile/Mihai-Oltean-2/publication/4245023/figure/fig1/AS:279456179605524@1443638953710/The-materials-within-a-SPD-based-glass-from-left-to-right-glass-or-plastic-panel.png)