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发明名称
Приспособление для запирания стрелочных остряков
摘要
申请公布号
SU56150(A1)
申请公布日期
1939.11.30
申请号
SUD56150
申请日期
1939.03.07
申请人
PEREPELITSA G.P.
发明人
PEREPELITSA G.P.
分类号
B61L7/02
主分类号
B61L7/02
代理机构
代理人
主权项
地址
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