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But diameter automatically regulated and self-holding device
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Collet and inner cylinder welding device
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Shell sections and heads pairing device
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A kind of flanger and the flange system with the flanger
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A kind of cylinder closes up seam welding device
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A kind of weld seam burnishing device
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Outer encapsulating headring annular seam welding device
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A kind of foaming thermal-insulating spray equipment and spraying method
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Welding device between shell ring
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The vertical sleeping conversion equipment of cylinder
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Wound insulation material constructing device and method
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A kind of thin-walled pressure vessel flexibility full circle welding tooling and its processing method
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A kind of corner-type cleans device
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Water mist type dust removing device
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Peanut butter stirring tank
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Spiral type jacket end socket and welding process thereof
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Cleaning liquid sprayer in tank
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