Improvements in or relating to cameras including a diaphragm and a photoelectric cell
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Cameras including a diaphragm and a photoelectric cell
GB938614A
Improvements in or relating to telephone call devices
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Improvements in the small synchronous engines with automatic starting of great mechanical power (Machine-translation by Google Translate, not legally binding)
GB918103A
Improvements in or relating to small self-starting synchronous motors having a high power-to-weight ratio
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Small self-starting synchronous motors having a high power-to-weight ratio
ES237675A1
Single-phase perfected synchronic electric motor (Machine-translation by Google Translate, not legally binding)
