全新正版 图解低压电器选用与维护 孙克军 刘骏 9787122259363 化学工业出版社缘为书来图书专营店 - Tapa blanda

The selection and maintenance of low voltage electrical apparatus(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date:2016-03-01 Pages:239 Language: Publisher: Chinese Chemical Industry Press book is a brief introduction to the performance of a variety of commonly used low-voltage electrical appliances and the basic structure. working principle and main purpose. classification. characteristics. focuses on the knife switch. fuse. circuit breaker. contactor. relay. electrical leakage protector. master. Nº de ref. del artículo: DN056602

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