Rückwardt, Hermann, engineer.
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- pdbooks.info ID: 82908
engineer. Hermann Rückwardt Contributed to the Following:
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| Selbstkostenberechnung elektrischer Arbeit, ihr Aufbau und ihre Durchführung | 1933 | Author | |  |  | | | ||