Akira Hirai

Follow

Person

Kamakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pulverizing and particle-size classifying apparatus
- Patent number 4,676,439
- Issue date Jun 30, 1987
- Miaski Shipbuilding and Engineering Co., Ltd.
- Katsuichi Saito
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...