MC74VHC139DR2
MC74VHC139DR2G
MC74VHC139DTR2
MC74VHC139DTR2G
MC74VHC14D
MC74VHC14DG
MC74VHC14DR2
MC74VHC14DR2G
MC74VHC14DT
MC74VHC14DTG
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)