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DK1252C
(da)
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Apparat til at udløse et Tov, naar Trækket i dette overskrider en bestemt Størrelse.
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US1108723A
(en)
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Safety-catch for elevators.
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US849188A
(en)
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Safety-elevator.
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US1178942A
(en)
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Safety-catch for mining-cages.
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US748526A
(en)
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Fire-escape.
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US366745A
(en)
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tayloe |
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US708095A
(en)
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Safety device for stamps, drop-hammers, or the like.
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US113900A
(en)
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Improvement in cotton and hay presses |
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US849014A
(en)
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Hay-ladder fastener.
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US996050A
(en)
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Elevator safety appliance.
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US491439A
(en)
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Gripping device for cable railways |
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US636316A
(en)
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Gang-edger.
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US825334A
(en)
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Safety device for mine-cages.
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GB190602439A
(en)
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Improvements in Safety Devices for Elevators or Lifts.
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US281654A
(en)
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Iamson |
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US386076A
(en)
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leayitt |
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US722893A
(en)
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Safety device for elevators.
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US532158A
(en)
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Safety device for elevators |
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US592654A
(en)
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Sawbuck |
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US588827A
(en)
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Hoisting device |
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US128152A
(en)
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Improvement in safety-devices for elevators |
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GB191110202A
(en)
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Improvements in and relating to Safety Suspending Apparatus applicable to Mine Cages and the like.
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MacDowell
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The crusaders: op. 52, no. 3 |
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US423694A
(en)
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Wire-rope grip |
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US435620A
(en)
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Scaffold |