Zheng Gang Wang

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Roller cutter arrangement and cutting wheel equipped with said roll...
- Patent number 9,732,613
- Issue date Aug 15, 2017
- Herrenknecht Aktiengesellschaft
- Ruben Duhme
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROLLER CUTTER ARRANGEMENT AND CUTTING WHEEL EQUIPPED WITH SAID ROLL...
- Publication number 20170101868
- Publication date Apr 13, 2017
- Herrenknecht Aktiengesellschaft
- Ruben Duhmeq
- E21 - EARTH DRILLING MINING