DD293768A5
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Assembly and welding system
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DD301351A7
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Device for gaseous side stream withdrawal
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DD300582A7
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liquid receiver
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DD285565A5
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Method for unpacking high-pressure t-pieces
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DD287437A5
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Method of applying end assembly bearing shares on multilayer tanks
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DD286848A5
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Method for optimizing the design temperature on hot wall reactors
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DD286749A5
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Device for collecting and distributing liquids
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DD279822A1
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Column ground
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DD278944A1
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Device for reducing circulating quantity structures in rectification elements
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DD278280A1
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liquid distribution
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DD277504A1
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Construction grille for tube belt washer
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DD284342A7
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Package for fabric and heat transfer processes
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DD276813A1
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Spreading floor for solid particles
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DD270349A1
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Horn
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DD269337A1
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Device for interior season welding
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DD282360A7
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Device for one in a wet distinction colon
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DD267957A1
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Wheelbarrow
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DD265829A1
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Device for internal circular welding
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DD264618A1
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gravity
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DD274138A3
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Ball holder
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