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PL46011B1
(https=)
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US3249239A
(en)
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Line couplers
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US3633762A
(en)
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Automatic service conduit connector devices for railway vehicle couplings
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US2821411A
(en)
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Pipe couplings
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US1094612A
(en)
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Automatic car and train-pipe coupling.
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PL46010B1
(https=)
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US4955122A
(en)
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Lock unit for a fluid coupling apparatus
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US959152A
(en)
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Automatic train-hose coupling.
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US1362863A
(en)
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Tractor-coupling
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US1403657A
(en)
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Combined car and air coupling
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US1255738A
(en)
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Hose-coupling.
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US3692275A
(en)
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Line coupling connector for railway vehicles
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US1476429A
(en)
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Coupling mechanism
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US947280A
(en)
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Coupling.
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US442853A
(en)
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Car-coupling |
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US522954A
(en)
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James m |
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US589457A
(en)
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Car-coupling |
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US784889A
(en)
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Car-coupling.
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US840808A
(en)
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Fastening for chains.
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US2831645A
(en)
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Support for automatic train pipe connector
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US357266A
(en)
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Car-coupling |
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US1102648A
(en)
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Car-coupling.
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US896546A
(en)
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Automatic air-pipe coupling.
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US1167789A
(en)
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Automatic train-pipe coupling.
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US945158A
(en)
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Automatic train-pipe coupling.
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