Insulator and insulator apparatus

An insulator includes a disklike shed portion (21) and a plurality of annular rib portions (23a to 23e) formed concentrically on the underside of the shed portion (21) and projecting downward along respectively predetermined lengths. Among the rib portions (23a to 23e), a first rib portion (23a) loc...

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Bibliographic Details
Main Authors RYOICHI, MINE, MITSUHARU, OKAMOTO, TAKAO, NAKAMURA
Format Patent
LanguageEnglish
French
German
Published 19.11.2003
Edition7
Subjects
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