https://patents.google.com/patent/CN219110934U/en
CN219110934U - Washing, spraying and filtering device for 4,4' -dinitrodiphenyl ether - Google...
The utility model relates to a washing, spraying and filtering device for 4,4' -dinitrodiphenyl ether, which comprises a filtering tank body, a feeding pipe, a...
washingsprayingfiltering