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经营范围
发明名称
Lens surfacing machine
摘要
申请公布号
US1995676(A)
申请公布日期
1935.03.26
申请号
US19320622608
申请日期
1932.07.15
申请人
AMERICAN OPTICAL COMPANY
发明人
GAGNON LOUIS L.;WHEELER RAYMOND D.
分类号
B24B13/02
主分类号
B24B13/02
代理机构
代理人
主权项
地址
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