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FR2229269A5
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Door catch opening door from one side only - has one square section bolt prevented from moving axially
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ES348076A1
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Procedure for the manufacture of architectural constructions. (Machine-translation by Google Translate, not legally binding)
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FR1465648A
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Prefabricated assemblies for safety blocks and safety blocks manufactured using such assemblies
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US3318616A
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Wedge locking device for fifth-wheel king pin
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US2456826A
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Trailer coupler
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US2372943A
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Trailer coupling mechanism
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US2372976A
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Trailer coupler
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