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Delavan's mechanical sewer ferret
Description of device built by M. Clapper for locating sewer laterals.
Delavan's mechanical sewer ferret
Description of device built by M. Clapper for locating sewer laterals.
Delavan's mechanical sewer ferret
Am City
American City ; 60
1945
Aufsatz (Zeitschrift)
Englisch
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Mechanical sewer cleaners simplify sewer maintenance
Engineering Index Backfile | 1947
|Online Contents | 1989
|British Library Online Contents | 1998
|Online Contents | 2014
Online Contents | 2012