2,3,3′,4′-BIPHENYL TETRACARBOXYLIC DIANHYDRIDE (α-BPDA) ụlọ ọrụ ọnụahịa CAS: 36978-41-3 Anyị na-emepụta ihe ọhụrụ ma ugbu a nwere 2000 kg na ngwaahịa. Maka mbupu, nnyefe ngwa ngwa. Nkọwa: Aha ngwaahịa: 2,3,3′,4′-BIPHENYL TETRACARBOXYLIC DIANHYDRIDE (α-BPDA) CAS: 36978-41-3 M...
GỤKWUO