-
Heat-exchange element
-
Patent number 5,832,993
-
Issue date Nov 10, 1998
-
Ebara Corporation
-
Naruo Ohata
-
F28 - HEAT EXCHANGE IN GENERAL
-
Plate-fin heat exchanger
-
Patent number 4,934,455
-
Issue date Jun 19, 1990
-
Showa Aluminum Corporation
-
Kaoru Hasegawa
-
F28 - HEAT EXCHANGE IN GENERAL
-
-
-
-
-
3847211
-
Patent number 3,847,211
-
Issue date Nov 12, 1974
-
F28 - HEAT EXCHANGE IN GENERAL
-
3627040
-
Patent number 3,627,040
-
Issue date Dec 14, 1971
-
F28 - HEAT EXCHANGE IN GENERAL
-
3444925
-
Patent number 3,444,925
-
Issue date May 20, 1969
-
B22 - CASTING POWDER METALLURGY
-
3231017
-
Patent number 3,231,017
-
Issue date Jan 25, 1966
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...