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The ornamental design for a line protector distribution board for telephone exchange systems, as shown and described. |
FIG. 1 is a perspective view of a line protector distribution board for telephone exchange systems;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
3949276, | Feb 15 1974 | Elmeg Elektro-Mechanik GmbH | Plug-in type relay |
4420792, | Apr 04 1981 | Krone Aktiengesellschaft | Plug-in connector with arresters for separating blocks |
4698727, | Sep 15 1986 | General Electric Company | Compact non-metallic load center enclosure |
4796150, | Jul 05 1985 | Avaya Technology Corp | Telecommunication protector unit with pivotal surge protector |
5057964, | Dec 17 1986 | Northern Telecom Limited | Surge protector for telecommunications terminals |
5150271, | Aug 21 1990 | Texas Instruments Incorporated | Telecommunication equipment protector |
D309291, | Jan 04 1988 | SAFCO, CORPORATION | Flat fuse holder |
D314557, | Feb 15 1990 | Power Integrity Corp.; Power Integrity Corporation | Telephone surge suppressor |
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