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发明名称
Instrument case
摘要
申请公布号
US1755171(A)
申请公布日期
1930.04.22
申请号
US19280283271
申请日期
1928.06.06
申请人
HERMAN BARTENBACH
发明人
BARTENBACH HERMAN
分类号
G04B37/10
主分类号
G04B37/10
代理机构
代理人
主权项
地址
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