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Mitsuru Nagata
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Yokohama, JP
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Patent Grant
Process for producing 3,3-bis-(4-dimethylaminophenyl)-6-dimethylami...
Patent number
4,271,075
Issue date
Jun 2, 1981
Hodogaya Chemical Co., Ltd.
Mitsuru Nagata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS