Language : English
刘国海

Patents

一种单低温保持器的全超直线电机

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Type of Patent:实用新型

State of Patent:已授权

Authorization number:201320253875.3

Service Invention or Not:no

Application Date:2013-05-10

Authorization Date:2014-02-12

Application Date:2013-05-10

Authorization Date:2014-02-12