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JPH0839255A
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Suction nozzle of smoke, gas and the like
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JPS6397398A
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Method and device for circumferential welding of pipe
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JPS60191675A
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Method for welding doubling plate in heat exchanger
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JPS60174284A
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Automatic assembling and welding device for i beam
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JPS59232667A
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Melt cutting and welding device for circumferential wall of pipe
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JPS59206158A
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Method for cutting groove to curved wall
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JPS59206196A
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Working device for pipe
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JPS59191576A
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Automatic control device for continuous feeding operation of work
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JPS5985380A
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Welding method
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JPS58218375A
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Horizontal fillet multi-layer welding
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JPS58196176A
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Automatic welding
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JPS58179591A
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Method for tack welding of straight pipe and bend
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JPS58179566A
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Oblique vertical upward welding method
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JPS58149152A
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Rotary positioning device for columnar work
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JPS58149141A
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Blank locating device for assembling ladder-like body
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JPS58137544A
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Positioner
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JPS5844963A
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Numerically controlled automatic cutter for pipe
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JPS57193281A
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Welding device
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JPS57193294A
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Aligning device for positions of two articles
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JPS57171534A
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Tube inserting device
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