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(de )
Einrichtung zur Befestigung des Schutzglases an dem Oberle'schenBackofen-Beleuchtungsapparat. (Zweiter
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(de )
1952-12-15
Operationsleuchte
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(enrdf_load_stackoverflow )
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(de )
1951-02-15
Kaleidoskop
Petzow et al.
1968
Das quasibinäre system UAl2-NiAl
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Hallett
1957
Radiation-A Potential Hazard
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1962-06-20
Leuchte.
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Caldwell
1946
Illumination and its Relation to Good Seeing
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1951-05-17
Skalenbeleuchtung bei tragbaren messinstrumenten.
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