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A safety shut-off device for a fuse cock
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A temporary structure for base concrete construction and the method of constructing thereof
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A Regulator
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A device of fluid interception for pipe
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Method for secure meter reading using smart device
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Remote terminal unit having a impact sensing function
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Inspection apparatus for checking innerness of pipeline
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A device for burying the remote terminal unit in gas governor
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Mamual type device of chamfering for pe pipe
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Monitoring system and the method for in digging
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System and method for managing replacement of a measuring instrument
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KR100930468B1
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Magnet filter for removing foreign substance in gas line
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Metal pipe boring apparatus for diverging pipeline
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System and method for remote monitoring gas supply apparatus
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