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Ludwig Taprogge Reinigungsanlagen fur Rohrenwarmeaustauscher
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Dusseldorf, DE
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Patents Grants
last 30 patents
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Patent Grant
Method of preventing the adhesion of scale to the heating surfaces...
Patent number
4,200,500
Issue date
Apr 29, 1980
Grillo-Werke Aktiengesellschaft
Natvarlal B. Desai
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE