Song WENPING

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Interlock switch mechanism and image formation device utilizing the...
- Patent number 9,098,054
- Issue date Aug 4, 2015
- Ricoh Company, Ltd.
- Yan Bin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INTERLOCK SWITCH MECHANISM AND IMAGE FORMATION DEVICE UTILIZING THE...
- Publication number 20130223875
- Publication date Aug 29, 2013
- Yan BIN
- H01 - BASIC ELECTRIC ELEMENTS