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AT178209B
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Telescope with a line of sight which forms a constant angle with the plumb line regardless of minor movements of the telescope by using a movable mirror whose position is influenced by gravity
Assignee: Zeiss Opton Optische Werke
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Filing: 1953-02-14
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Granted: 1954-04-26
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Expires: 1973-02-14
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2026-10-24 23:26
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