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发明名称
Часовая маятниковая вилка
摘要
申请公布号
SU21037(A1)
申请公布日期
1931.05.31
申请号
SU19290059041
申请日期
1929.11.26
申请人
PREJPICH-FREJBERG N.KH.
发明人
PREJPICH-FREJBERG N.KH.
分类号
G04B1/08
主分类号
G04B1/08
代理机构
代理人
主权项
地址
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