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发明名称
Translucent material
摘要
申请公布号
US1951933(A)
申请公布日期
1934.03.20
申请号
US19270207572
申请日期
1927.07.21
申请人
HOCHSTETTER FREDERICK W
发明人
HOCHSTETTER FREDERICK W.
分类号
G03C1/32
主分类号
G03C1/32
代理机构
代理人
主权项
地址
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