ZHEN-MIN SONG

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Shenzhen City, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PROTECTING FILES OF DIGITAL PHOTO FRAME
- Publication number 20090327309
- Publication date Dec 31, 2009
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- JIAN-FENG GUO
- G06 - COMPUTING CALCULATING COUNTING