Zhi-Yuan Zheng

Person

  • Taichung, TW

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Part recycle device of a document file

    • Publication number 20030133742
    • Publication date Jul 17, 2003
    • Zhi-Yuan Zheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER