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发明名称
A SPECTACLE FRAME EARPIECE
摘要
申请公布号
HK20087(A)
申请公布日期
1987.03.13
申请号
HK19870000200
申请日期
1987.03.05
申请人
MARWITZ & HAUSER GMBH
发明人
WALTER H. BONONI
分类号
G02C5/00;G02C5/14;G02C5/16;G02C5/18;G02C11/00;(IPC1-7):G02C5/14
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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