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发明名称
BARIUM FLINT OPHTHALMIC SEGMENT GLASS
摘要
申请公布号
US3481751(A)
申请公布日期
1969.12.02
申请号
USD3481751
申请日期
1967.03.15
申请人
BAUSCH & LOMB INC.
发明人
GORDON F. BREWSTER;ROBERT A. WEIDEL
分类号
C03C3/074;(IPC1-7):C03C3/10;C03C3/04
主分类号
C03C3/074
代理机构
代理人
主权项
地址
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