Ribbed air duct rib positioning tool and ribbed air duct construction device
The utility model relates to the technical field of ribbed air duct construction, in particular to a ribbed air duct rib positioning tool and a ribbed air duct construction device, and aims to solve the problems of high positioning difficulty and low positioning accuracy of a ribbed outer steel temp...
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Format: | Patent |
Sprache: | chi ; eng |
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