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Priority claimed from JP00528098Aexternal-prioritypatent/JP3296546B2/en
Priority claimed from JP12314998Aexternal-prioritypatent/JP3228465B2/en
Application filed by Denki Kagaku Kogyo KkfiledCriticalDenki Kagaku Kogyo Kk
Publication of MY129546ApublicationCriticalpatent/MY129546A/en
A SURFACE TREATING AGENT FOR ALUMINUM HEAT EXCHANGER FINS, WHICH COMPRISES A POLYVINYL ALCOHOL HAVING VINYL ALCOHOL UNITS, EPOXY GROUP-CONTAINING VINYL UNITS AND ALIPHATIC VINYL ESTER UNITS, WHEREIN THE POLYVINYL ALCOHOL HAS A POLYMERIZATION DEGREE OF FROM 300 TO 3300, A SAPONIFICATION DEGREE OF AT LEAST 90% AND FROM 0.2 TO 12 MOL% OF THE EPOXY GROUP-CONTAINING VINYL UNITS.
MYPI99001091998-01-141999-01-12Aluminum heat exchanger fins and surface treating agent therefor
MY129546A
(en)
DEVICE AND METHOD FOR EXCHANGING THE POSITION OF TWO WORK TABLES, PARTICULARLY PIECE-HOLDER TABLES FOR ASSEMBLY OF GROUPS INCLUDING PRESSED SHEET METAL ELEMENTS.