Device and method for connecting cast-in-place rain sewage inspection well chamber and prefabricated concrete pipeline
The invention discloses a device and a method for connecting a cast-in-place rain sewage inspection well chamber and a prefabricated concrete pipeline, relates to the technical field of a connecting process of a cast-in-place rain sewage inspection well and a prefabricated concrete pipeline, and mai...
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Format: | Patent |
Sprache: | chi ; eng |
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