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Eggert, John, 1891-1973
Einf hrung in die rn̲tgen-photographie / von dr. John Eggert ...
Radiography.
X-rays
Diagnosis, Radioscopic.
1928.
Interessengeineinschaft farbenindustrie aktiengesellschaft. Photographische abtellung. Wissenschaftliches zentral-laboratorium.
Catalog