G390132000,OPTICAL WINDOW; N-BK7; D=22.4; L
G390132329,OPTICAL WINDOW; N-BK7; D=22.4; L
G390135322,PLN PLT N-BK7;DIA=63;1L;ARB2-VIS
G390137000,OPTICAL WINDOW; N-BK7; LXH=20X30
G390192000,PLANE PLATE; FUSED SILICA; D=16;
G390406000,PLANE PLATE; FUSED SILICA; D=63;
G3A,UNF THREADED PROTECTION CAP, COM
G3A/4,整流器 50 Volt 3.0 Amp