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Expired
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Jakob Birkert
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Individual
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Individual
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Train Traffic Observation, Control, And Security
(AREA)
Installation Of Indoor Wiring
(AREA)
Abstract
11,212. Birkert, J. May 23. Drawings to Specification. Timetables of different railway systems or countries are bound together in a book and separated by stiff dividing-leaves bearing index tabs.
GB190811212D1908-05-231908-05-23Improvements in and connected with Railway and the like Guides.
ExpiredGB190811212A
(en)