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经营范围
发明名称
Improvements in or relating to episcopic projection apparatus
摘要
申请公布号
GB384936(A)
申请公布日期
1932.12.15
申请号
GB19320019798
申请日期
1932.07.13
申请人
RAPHAEL EDUARD LIESEGANG;FRANZ PAUL LIESEGANG;JAMES LIESEGANG;ROBERT SCHAEFER
发明人
分类号
G03B21/06
主分类号
G03B21/06
代理机构
代理人
主权项
地址
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