https://patents.google.com/patent/CN223836941U/en
CN223836941U - Hoisting device for perpendicularly tunneling duct piece for underground garage -...
The utility model discloses a lifting device for a pipe piece for a vertical tunneling underground garage, which comprises a crane and a lifting appliance,...
hoistingdevicetunnelingductpiece
https://research.ibm.com/publications/magnetic-reversal-of-perpendicularly-biased-copt-multilayers--1
Magnetic reversal of perpendicularly-biased Co/Pt multilayers for Physical Review B - CMMP - IBM...
Magnetic reversal of perpendicularly-biased Co/Pt multilayers for Physical Review B - CMMP by O. Hellwig et al.
https://store.astm.org/c1393-08.html
C1393 Standard Specification for Perpendicularly Oriented Mineral Fiber Roll and Sheet Thermal...
standard specification