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发明名称
Device for observing an optical matching action
摘要
申请公布号
US2838889(A)
申请公布日期
1958.06.17
申请号
US19540415121
申请日期
1954.03.09
申请人
HANS DECKEL;FRIEDRICH WILHELM DECKEL
发明人
LANKES RICHARD
分类号
B23Q17/24
主分类号
B23Q17/24
代理机构
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