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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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
19.11.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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