Manfred Kammerling Person-Info 

( Ich bin Manfred Kammerling)

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Spring Gems & Gemology Gem NewsGIA

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Manfred Kammerling of Viktor Kammerling, Idar-. Oberstein, the firm that invented the beryl triplet, is making sapphire-synthetic ruby doublets using light Seiten
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Viktor Kammerling
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Vorname "Manfred" (44071)
Name "Kammerling" (15)
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