US871844A
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Adjustable bolt-bearing for vault and safe door jambs.
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US811701A
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Boltwork for circular doors.
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US811700A
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Boltwork for circular doors.
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US811699A
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Boltwork for circular doors.
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US811698A
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Boltwork for circular doors.
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US811697A
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Boltwork for circular doors.
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US811696A
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Boltwork for circular doors.
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US811695A
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Boltwork for circular doors.
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US879229A
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Adjustable hinge construction for safe and vault doors.
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US816519A
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Bolt construction for safe or vault doors.
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US793704A
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Hinge for safe or vault doors.
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US793703A
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Hinge for safe or vault doors.
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US779145A
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Locking mechanism for safes or vaults.
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