Line current variation indicator

The ornamental design for a line current variation indicator, as shown and described.

FIG. 1 is a perspective view of the line current variation indicator embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a an end elevational view thereof, the end opposite being a mirror image of the end shown in FIG. 4; and,

FIG. 5 is a top plan view thereof, the bottom being unadorned.

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D851512,	Oct 12 2017	Fluke Corporation	Power quality logger
D983679,	Jan 21 2020	AMBIT MICROSYSTEMS (SHANGHAI) LTD.	Industrial signal testing equipment for wireless devices

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