-
Purification apparatus
-
Patent number 6,139,745
-
Issue date Oct 31, 2000
-
Hitachi, Ltd.
-
Takashi Mizumori
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
-
Automated manufacture line
-
Patent number 5,262,954
-
Issue date Nov 16, 1993
-
Hitachi, Ltd.
-
Motoaki Fujino
-
G05 - CONTROLLING REGULATING
-
-
-
Internal combustion engine
-
Patent number 4,986,244
-
Issue date Jan 22, 1991
-
Hitachi, Ltd.
-
Junichi Kobayashi
-
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
-