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经营范围
发明名称
HETEROGENEOUS GLASS
摘要
申请公布号
US3485645(A)
申请公布日期
1969.12.23
申请号
USD3485645
申请日期
1965.10.21
申请人
PPG IND. INC.
发明人
JOHN DOUGLAS MACKENZIE;GEORGE E. SLEIGHTER
分类号
C03C3/118;C03C3/16;C03C4/00;C03C14/00;(IPC1-7):C03C3/00
主分类号
C03C3/118
代理机构
代理人
主权项
地址
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