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磁石式电话值机操作方法

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Bibliographic Details
Main Authors: 卢培光 (卢培光编写)
Published: 人民邮电出版社
Publisher Address: 北京
Publication Dates: 1965
Literature type: Book
Language: Chinese
Subjects:
磁石电话交换机 > 操作 > 方法
Carrier Form: 64页: 图 ; 19cm
Index Number: TN916
CLC: TN916.41
Call Number: 448.795/2249

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