(10) CN107673185
(22) 20.10.2017
(43) 09.02.2018
(57) The invention discloses a lifting device for a prefabricated concrete outer wallboard and a lifting method of the lifting device and solves the...
Building construction in large cities and metropolitan areas is very expensive. Hence, every centimeter of space gained is important for architects, developers and building societies. While they have...
On 11 November 2021, German ESA astronaut Matthias Maurer, together with the other NASA crew team members, lifted off to the ISS international space station. Maurer will stay on the space station and...