Drafting : basic techniques; instructor's guide with checking sheets for drawing problems /
20
Main Author: | |
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Format: | |
Published: |
Ann Arbor, Mich : Prakken Pub,
1969
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Subjects: |
20
Main Author: | |
---|---|
Format: | |
Published: |
Ann Arbor, Mich : Prakken Pub,
1969
|
Subjects: |