1orkbook for mechanical drawing: cad-communications/ jay.d. helsel
By: "helsel, jay d. ".
Material type:
BookPublisher: new york : glencoe 1990Edition: 11 ed.Description: ", 0p.; 28 cm.".ISBN: 0-07-022338-6.Subject(s): mechanical drawing --DDC classification: 604. 2 hel
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