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CN105742924A
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Collector ring
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CN105731109A
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Rotary material distributor
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CN105737610A
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Feeding post assembling structure of submerged arc furnace
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CN105736884A
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U-shaped corrugated tube
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CN105737606A
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Annular base ring
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CN105744669A
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Spring mechanism pressure ring
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CN105737611A
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Welding stock column cap
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CN105737620A
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Fusion calcium carbide waste heat recovery system in small calcium carbide molding
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CN105731458A
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Small piece calcium carbide forming device
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CN105737621A
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System for accelerating cooling of calcium carbide and recycling waste heat of melted calcium carbide
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CN105736827A
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Improved chimney valve
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CN103697705A
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Fixed semi-closed mine heating furnace charging machine
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