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发明名称
SPECTACLES
摘要
申请公布号
CA342681(A)
申请公布日期
1934.07.03
申请号
CAD342681
申请日期
申请人
WILLIAM DAVID EGLINTON
发明人
WILLIAM DAVID EGLINTON
分类号
主分类号
代理机构
代理人
主权项
地址
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