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EP0412173A1
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Process and installation for the treatment and purification of waste water
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EP0402515A1
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Process and sludge contact reactor for waste water treatment by pulsated flocculation and separation
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RO100510B1
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Sprinkling-irrigation works sustaining system
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DD264124A3
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circulating pump
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EP0228073A2
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Floating armature for dosing liquids
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DE3628314A1
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Device for the multiple-stage biological purification of organically contaminated waste water in a modular design
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IT8621509D0
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Multistage biological sewage treatment
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GB8619150D0
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Fastening of a runner wheel on the shaft of a pump
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DE3626416A1
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SPIRAL HOUSING FOR A SINGLE-STAGE CENTRIFUGAL PUMP WITH AN IMPELLER WITH DOUBLE-SIDED INLET
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FR2587326A1
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DEVICE, IN MODULAR EXECUTION, FOR MULTI-STAGE PURIFICATION OF ORGANIC POLLUTION WASTE WATER
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DD234584A3
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Muffe, especially for said spindle armatures
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AU9097482A
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Joining ptfe
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DE3231298A1
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Fitting, especially a valve with double flow control
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DD230317A3
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Connection of housing covers, especially for armatures
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DE3135544A1
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Quick-closing safety gate valve
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GB2081144A
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An arrangement for the radial forming of bodies
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SU1225970A1
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Cover-to-fixture housing coupling unit
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DD157651A3
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Device for cutting
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DE3049310A1
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Machine tool for truing straight pipes with high cutting speed - has speed regulator operating changeover switch for max. and min. cuts
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DD157516A3
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Armature with rotating closure
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