The 100th Anniversary of the Discovery of X-Rays by Wilhelm Rontgen 1995
දැන් පෙන්වන්නේ: මොනකො - තැපැල් මුද්දර - 1995 - The 100th Anniversary of the Discovery of X-Rays by Wilhelm Rontgen - 1 මුද්දර .
1995
The 100th Anniversary of the Discovery of X-Rays by Wilhelm Rontgen
24. October WM: කිසිවක් නැත කොළයේ ප්රමාණය: 30 මෝස්තරය: Albuisson. සිදුර: 12
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