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Architectural information on building materials, manufacturers, specifications, BIM families and CAD details.

CAD Library: Free Download CAD Drawings and Libraries. AEC, Architectural, Civil, HVAC, Electrical, Plumbing, Detail Drawings and Symbol Blocks in Autocad .DWG .DXF - CAD Software

Electrical, HVAC, and plumbing software for engineering design of buildings in AutoCAD

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

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Elite Software - 30 hvac software programs for all aspects of hvac, plumbing and electrical System Design

Shop Data Systems (SDS) has been servicing the metal fabrication industry for more than 30 years. We are leading the way with technological innovations that have helped thousands of shops around the world to become more efficient, competitive and pro...

Providing AutoCAD design and drafting services for HVAC, plumbing, architectural, structural steel detailing, mechanical fabrication, electrical, fire protection, landscape architectural, 3D solid modeling, CAD standards creation and CAD conversion p...

GstarCAD is the only CAD brand won the gold copyright awarded by the world intellectual property organization with international leading product quality. GstarCAD has 13 language versions, and users from more than 100 countries and regions download...

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