The evolution of the gear art,
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| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Washington,
American Gear Manufacturers Association,
1969.
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| Subjects: |
| Physical Description: | ix, 93 p. illus. 28 cm. |
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| Bibliography: | Bibliography: p. 87-88. |