Chi-Shiang Chen

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Ilan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Grinding apparatus
- Patent number 4,973,003
- Issue date Nov 27, 1990
- Chi-Shiang Chen
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Air-cleaning apparatus
- Patent number 4,957,519
- Issue date Sep 18, 1990
- Chi-Shiang Chen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Grinding apparatus
- Patent number 4,930,708
- Issue date Jun 5, 1990
- Chi-Shiang Chen
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...