https://portal.fis.tum.de/en/publications/simple-generation-of-suspensible-secondary-microplastic-reference/
Simple Generation of Suspensible Secondary Microplastic Reference Particles via Ultrasound...
simplegenerationsecondarymicroplasticreference
https://patents.google.com/patent/CN201564194U/en
CN201564194U - Suspensible cup frame - Google Patents
The utility model relates to a suspensible cup frame, which is provided with a tubular cup frame, wherein the side edges of the top portion of the cup frame is...
cupframegooglepatents