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经营范围
发明名称
Lens cutting machine
摘要
申请公布号
US1997561(A)
申请公布日期
1935.04.09
申请号
US19320629475
申请日期
1932.08.19
申请人
SHURON OPTICAL COMPANY, INC.
发明人
LOCKHART WILLIAM A.
分类号
C03B33/04
主分类号
C03B33/04
代理机构
代理人
主权项
地址
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