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JPH11226525A
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Cleaning method
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JPH06262650A
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Production of manifold for injection molding machine having resin passage having smooth curve built therein
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JPH06190870A
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Hot tip of injection molding device having injection hole of combination of grooved slot
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JPH073492A
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Plating device for inside surface of pipe in which electrode circulates
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JPH071129A
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Welding method for seam of inside surface of metallic pipe having bent part
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JPH04100678A
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Manufacture of joint for welded piping having plural fluid paths with optional radius inside
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JPH02236084A
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Manufacture of welded pipe joint with given radius of fluid path inside
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JPH02220778A
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Welding method for metallic pipe inside joint part
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JPS5473143A
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Improvement of noodles by adding algae
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JPS52152259A
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Liquid level detector utilizing weight difference caused by difference in buoyancy of objects in liquid
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