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Patent for wall structure of compound building to prevent sound wave of solid noise

Tag: 專利

Double-layer square steel pass sound insulation structure patent

Double-layer square steel pass sound insulation structure patent

Patent for basement and its moisture-proof ventilation system

Patent for basement and its moisture-proof ventilation system

The installation structure patent of base skeleton damping and sound insulation

The installation structure patent of base skeleton damping and sound insulation

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