Six simple pumps : a construction guide/
| Awduron Eraill: | |
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| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Arlington, Virginia : Volunteers in Technical Assistance,
1983.
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| Pynciau: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Disgrifiad Corfforoll: | viii, 94 p. : ill. ; 28 cm. |
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| ISBN: | 0866191666 (pbk) |