Jin Lan

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Guangzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
Mining crane which is convenient to install
- Publication number 20200198937
- Publication date Jun 25, 2020
- Jin Lan
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Brakeable transportation ore cart for mine mineral transportation
- Publication number 20200189628
- Publication date Jun 18, 2020
- Jin Lan
- B61 - RAILWAYS