CN206807484U - 电能表及正弦载波通信信号调制电路 - Google Patents
电能表及正弦载波通信信号调制电路 Download PDFInfo
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GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
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Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. Address before: 611731 no.1218, Hezuo Road, high tech Zone (West District), Chengdu, Sichuan Province Patentee before: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: Chengdu Great Wall Development Technology Co.,Ltd. Address before: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee before: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. |