Passive-house heat-bridge-free outer wall penetrating pipeline with high air tightness and construction method thereof
The invention discloses a passive-house heat-bridge-free outer wall penetrating pipeline with high air tightness and a construction method thereof. The passive-house heat-bridge-free outer wall penetrating pipeline with high air tightness comprises a sleeve pipe and a wire pipe, wherein the sleeve p...
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Format: | Patent |
Sprache: | chi ; eng |
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