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Astrid Kellermann
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Munchen, DE
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last 30 patents
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Patent Grant
Methods and systems for promoting environmentally friendly transpor...
Patent number
10,444,022
Issue date
Oct 15, 2019
Siemens Aktiengesellschaft
Astrid Kellermann
G08 - SIGNALLING
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last 30 patents
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Patent Application
METHODS AND SYSTEMS FOR PROMOTING ENVIRONMENTALLY FRIENDLY TRANSPOR...
Publication number
20180031379
Publication date
Feb 1, 2018
Astrid Kellermann
G01 - MEASURING TESTING