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1998, no.376	1998, no.377	1998, no.378	1998, no.379	1998, no.380	1998, no.381
1998, no.382	1998, no.383	1998, no.384	1998, no.385	1998, no.386	1998, no.387

题名	作者	出版年	年卷期
Polymeric repair solutions for pumps	William R. Ashcroft	1998	1998, no.379
Recent developments in the design of domestic circulators	Fraser Douglas	1998	1998, no.379
The easy-care alternative to submersible pump stations	John Mowen; Marvin Wood; Darby Ritter	1998	1998, no.379