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经营范围
发明名称
PRODUCTION OF GLASS PREFORM FOR OPTICAL ELEMENT
摘要
申请公布号
JPH0312328(A)
申请公布日期
1991.01.21
申请号
JP19890143071
申请日期
1989.06.07
申请人
CANON INC
发明人
MIYAZAKI SUNAO
分类号
C03B11/00;C03B19/02
主分类号
C03B11/00
代理机构
代理人
主权项
地址
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