On-site laminated construction jig frame for large-span arched prestressed roof panel
The utility model belongs to the field of buildings, and particularly relates to an on-site laminated construction jig frame for a large-span arched prestressed roof panel, which comprises a jig frame base and a lifting frame, the jig frame base comprises two pieces of horizontal channel steel arran...
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Format: | Patent |
Sprache: | chi ; eng |
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