Spliced type prefabricated comprehensive pipe gallery and construction method thereof
The invention discloses a spliced type prefabricated comprehensive pipe gallery. The pipe gallery is composed of a plurality of prefabricated pipe gallery sections which are connected in sequence, theevery two adjacent prefabricated pipe gallery sections are connected through a bell and spigot, a se...
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Format: | Patent |
Sprache: | chi ; eng |
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