№ EP4675661A1发明专利
审中ROCKING ARMATURE ASSEMBLY AND ELECTROMAGNETIC RELAY
ROCKING ARMATURE ASSEMBLY AND ELECTROMAGNETIC RELAY
❖Xiamen Hongfa Electric Power Controls Co., Ltd.ZHONG, Shuming; DAI, Wenguang; LI, Fangneng; LIAO, GuojinJan 6, 2026H01H, H01H23