G eometric Dimensioningand TolerancingNinth EditionBased on ASME Y14.5-2009 byDavid A. MadsenPresident, Madsen Designs Inc.www.madsendesigns.comFaculty EmeritusFormer Department ChairpersonDrafting TechnologyAutodesk Premier Training CenterClackamas Community College, Oregon City, OregonAutodesk Learning MemberDirector Emeritus, American Design Drafting Association David P. MadsenPresident, Engineering Drafting & Design, Inc. Vice President, Madsen Designs Inc. Computer-Aided Design and Drafting Consultant and EducatorAutodesk Developer Network MemberSolidWorks Research AssociateAmerican Design Drafting Association Member PublisherThe Goodheart-Willcox Company, Inc. Tinley Park, Illinoiswww.g-w.com
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