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经营范围
发明名称
VIRTUAL GLASSES
摘要
申请公布号
HK1218488(A2)
申请公布日期
2017.02.17
申请号
HK20160107116
申请日期
2016.06.21
申请人
IP Ching
发明人
IP, Ching;IP, Kwong Yam Raymond
分类号
G02B
主分类号
G02B
代理机构
代理人
主权项
地址
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