FR332333A - Système perfectionné de jumelle de théatre en combinaison avec une poignée servant à la transporter et à la mettre au point
- Google Patents
Système perfectionné de jumelle de théatre en combinaison avec une poignée servant à la transporter et à la mettre au point
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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BERNARD HERMAN BLANK
JACOB WOLF RIGLANDER
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BERNARD HERMAN BLANK
JACOB WOLF RIGLANDER
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Application filed by BERNARD HERMAN BLANK, JACOB WOLF RIGLANDERfiledCriticalBERNARD HERMAN BLANK
Application grantedgrantedCritical
Publication of FR332333ApublicationCriticalpatent/FR332333A/fr
G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
G02B7/28—Systems for automatic generation of focusing signals
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Physics & Mathematics
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General Physics & Mathematics
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Optics & Photonics
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FR332333D1903-05-251903-05-25Système perfectionné de jumelle de théatre en combinaison avec une poignée servant à la transporter et à la mettre au point
ExpiredFR332333A
(fr)