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Регистрирующее приспособление
摘要
申请公布号
SU22758(A1)
申请公布日期
1931.09.30
申请号
SU19290047369
申请日期
1929.05.17
申请人
POLTEV N.I.
发明人
POLTEV N.I.
分类号
G01R23/00
主分类号
G01R23/00
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