Zhang F. Qiu

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Built-up inner floating ceiling for use in an oil storage tank
- Patent number 5,123,559
- Issue date Jun 23, 1992
- Zhang F. Qiu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL