Inventions, Patents, and Their ManagementVan Nostrand, 1959 - 602 lappuses |
No grāmatas satura
1.–3. rezultāts no 63.
69. lappuse
... electricity . When an additional electrode was put into the bulb , the electricity jumped from the hot filament to the electrode - when , and only . when , the electrode had a positive charge . Among his many electric - light patents ...
... electricity . When an additional electrode was put into the bulb , the electricity jumped from the hot filament to the electrode - when , and only . when , the electrode had a positive charge . Among his many electric - light patents ...
168. lappuse
... electric locomotive having a larger output than could be obtained heretofore in a locomotive of the same rigid wheel base . Another object of the present invention is to provide an electric locomotive having a larger output than could ...
... electric locomotive having a larger output than could be obtained heretofore in a locomotive of the same rigid wheel base . Another object of the present invention is to provide an electric locomotive having a larger output than could ...
429. lappuse
... electric heating element ( or elements ) 3 mounted on the exterior thereof . A jacket 4 surrounds the element and electric current is supplied through cable 20 5. A time switch or thermostat ( not shown ) is incorporated in the electric ...
... electric heating element ( or elements ) 3 mounted on the exterior thereof . A jacket 4 surrounds the element and electric current is supplied through cable 20 5. A time switch or thermostat ( not shown ) is incorporated in the electric ...
Saturs
The Protection of Ideas | 1 |
Procedure and Records | 14 |
The Patent Office | 30 |
Autortiesības | |
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Inventions, Patents, and Their Management Alf Keyser Berle,Lyon Sprague De Camp Fragmentu skats - 1959 |
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