DEVICE FOR OPENING AND CLOSING SHUTTER
PROBLEM TO BE SOLVED: To provide a device for opening and closing a shutter which improves a manufacturing capacity of a plant by surely delivering a stored object such as a cement slurry from a container in short time.SOLUTION: In a device for opening and closing a shutter for discharging an object...
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Format: | Patent |
Sprache: | eng ; jpn |
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