Shoichi Horiuchi

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Fujimi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Chromogenic fluoran derivatives and the preparation and use thereof
- Patent number 3,959,571
- Issue date May 25, 1976
- Shin Nisso Kako Co., Ltd.
- Masakichi Yahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS