A.64mm B.32mm C.16mm D.8mm
A.105mm³148mm B.125mm³176mm(B6規(guī)格) C.148mm³210mm(A5規(guī)格) D.201mm³276mm(B5規(guī)格)
A.擴(kuò)展位 B.系列號(hào) C.廠商識(shí)別代碼 D.附加信息代碼