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Free Tools and Links For Engineers:

The American Society of Mechanical Engineers

Engineering Calculators

Free Tools and Links For Inventors:

US Patent Office

Copyright Office

CAD Organizations:

Association for Computer Aided Design in Architecture

CAD Society home page

American Design and Drafting Association

The Institute of Electrical & Electronics Engineers

Computer Aided Architectural Design Research In Asia

Education in Computer Aided Architectural Design in Europe

Tennessee Design Company

2500 Murfreesboro Rd.,

Suite 105, Box 182

Nashville, TN 37217



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