BI7KHZ Yes, what I find particularly interesting about this book is its unique focus. While there are many other科普 books available in China, both original and translated, the selection is limited. However, I haven't seen any similar publications specifically focused on "yellow pages" or internal communication frequencies. I purchased an electronic Kindle version as a souvenir. Many years ago, I also bought a similar WRTH book in Europe, but it primarily documented public broadcasting frequencies rather than those used by various small stores and businesses.
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