-
-
Optical fiber composite insulators
-
Patent number 5,339,381
-
Issue date Aug 16, 1994
-
NGK Insulators, Ltd.
-
Mitsuji Ikeda
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
-
-
-
-
-
-
-
Lightning arrestor insulator
-
Patent number 4,796,149
-
Issue date Jan 3, 1989
-
NGK Insulators, Ltd.
-
Shoji Seike
-
C03 - GLASS MINERAL OR SLAG WOOL
-
Lightning arrester insulator
-
Patent number 4,571,660
-
Issue date Feb 18, 1986
-
Chubu Electric Co., Inc.; Mitsubishi Denki Kabushiki Kaisha & NGK Insulators
-
Yoshio Mitsumatsu
-
H01 - BASIC ELECTRIC ELEMENTS