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发明名称
Устройство для регистрации коротких промежутков времени
摘要
申请公布号
SU35394(A1)
申请公布日期
1934.03.31
申请号
SU19310101271
申请日期
1931.01.13
申请人
PARFENOV A.P.
发明人
PARFENOV A.P.
分类号
A01C9/02
主分类号
A01C9/02
代理机构
代理人
主权项
地址
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