B22 (RC-B)
类别：????/switch lamp holder | 来源：心达电器
[product] B15 ??????/???
B15 bakelite lamp holder/thread with ring /set-screw terminal
[certification] SAA
[color] BK (??)
B22 (RC-B)
类别：????/switch lamp holder | 来源：心达电器
[product] B15 ??????/???
B15 bakelite lamp holder/thread with ring /set-screw terminal
[certification] SAA
[color] BK (??)