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发明名称
Fotografisches Vergroesserungsgeraet
摘要
申请公布号
DE2001210(A1)
申请公布日期
1971.07.22
申请号
DE19702001210
申请日期
1970.01.13
申请人
KLATT,WALTER
发明人
KLATT,WALTER
分类号
G03B27/36
主分类号
G03B27/36
代理机构
代理人
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地址
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