Second, look at the binding, the binding quality of genuine books is better, the pressure is even, and the spine is flat;
Third, look at whether the copyright page records are comprehensive, such as "publishing unit, format, number of words, version,
Book number, pricing, etc. ;
Four, the most accurate identification method is to verify the book publishing unit or book number through the Internet.
1, look at the outer packaging first: the genuine audio-visual products are beautifully packaged and printed in 5 to 6 colors. Pirated sound
The printing of image products is mostly monochrome, with rough appearance and simple packaging.
2. Price reference: The price of genuine CDs is above that of 20 yuan, while the price of pirated CDs.
All cases are within 10 yuan.
3. Anti-counterfeiting marks of audio-visual products: no anti-counterfeiting marks are affixed, or forged or counterfeit marks are affixed.
Audio-visual products with false logos are all pirated audio-visual products.
4. Standard audio-visual product code: The standard audio-visual product code consists of 12 digits. For example:
Isrc-cn-a01-99-307-00/a. Anything with incomplete or garbled codes is pirated audio-visual products.
5. Identification of import number: All imported goods must be marked with the approval number of the Ministry of Culture, such as "Wen".
Yin (200 1)No. 120 and (2002) No.230 should also indicate the country.
Copyright registration and authentication numbers of several copyright bureaus, such as "Quan Guo Yin Zi No.34-2001-386" and "Quan Guo"
Like the word 12-200 1-468 ".
6. Identification of SID code: SID code must be engraved on the inside of the CD, and there is no code.