"फाइल:First medical X-ray by Wilhelm Röntgen of his wife Anna Bertha Ludwig's hand - 18951222.jpg" सँ सम्बन्धित पन्नासभ
ई सभ पन्ना सम्बन्धित अछि फाइल:First medical X-ray by Wilhelm Röntgen of his wife Anna Bertha Ludwig's hand - 18951222.jpg:
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