DescriptionPOLYPHASE-WATTMETER.JPG 日本語: Wattmeters Source This file is lacking source information. Please edit this file's description and provide a source...
DescriptionPOLYPHASE-WATTMETER(PLATE).jpg 日本語: Wattmeters Date 1 December 2006, 20:53:26 Source Own work Author \...
DescriptionPOLYPHASE-WATTMETER(OPEN).jpg 日本語: Wattmeters Date 19 August 2006, 09:46:22 Source Own work Author \...
DescriptionPOLYPHASE-WATTMETER(PLATE).JPG 日本語: 三相電力計（2007年8月19日投稿者が撮影） Date 19 August 2007 Source Own work Author Berlin.karajan...
三相電力計（2007年8月19日投稿者が撮影） English determination method or standard: SHA-1...
Marbled paper - from The Street Railway Journal (IA streetrailwayj271906newy) (page 3 crop).jpg...
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