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Christoph Helsper
(42)
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Determination of the Bipolar Charge Equilibrium in Pure Gases / Wiedensohler, A. ; Weise, W. ; Helsper, C. ; Lütkemeier, E.
(1986)
Christoph Helsper
;
A. Wiedensohler
;
W. Weise
;
E. Lütkemeier
Investigation on the Bipolar Charge Distribution at Various Gas Conditions / Wiedensohler, A.; Lütkemeier, E.; Feldpausch, M. ; Helsper, C.
(1986)
Christoph Helsper
;
A. Wiedensohler
;
E. Lütkemeier
;
M. Feldpausch
Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R.; Helsper, C.; Rönicke, G.
(1984)
Christoph Helsper
;
R. Nießner
;
G. Rönicke
Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R. ; Helsper, C.
(1985)
Christoph Helsper
;
R. Nießner
On the Influence of the Vapour Substance on the Behaviour of an Expansion Type Condensation Nucleus Counter
(1985)
Christoph Helsper
;
R. Nießner
Fast and Automated Testing of Filter Media / Mölter, W. ; Helsper, C. ; Willemer, W.
(1987)
Christoph Helsper
;
W. Mölter
;
W. Willemer
Korngrößenanalyseverfahren für trockene Pulver und Stäube von 0,5-25 µm
(1986)
Christoph Helsper
;
W. Mölter
;
L. Mölter
Investigations on a New Aerosol Generator for the Production of Carbon Aggregate Particles / Helsper, C. ; Mölter, W. ; Löffler, F. ; Wadenpohl, C. ; Kaufmann, S. ; Wenninger, G.
(1993)
Christoph Helsper
;
W. Mölter
;
F. Löffler
;
C. Wadenpohl
Fast and Automated Testing of Different Air Filter Media / Mölter, W. ; Helsper, C. ; Kaminski, S.
(1989)
Christoph Helsper
;
W. Mölter
;
S. Kaminski
Fast and Automated Testing of Different Air Filter Media / Mölter, W. ; Helsper, C. ; Kaminski, S.
(1989)
Christoph Helsper
;
W. Mölter
;
S. Kaminski
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