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发明名称
Регулировочное приспособление к приборам для поддержания постоянства расхода протекающих по трубопроводу жидкостей и газов
摘要
申请公布号
SU35378(A1)
申请公布日期
1934.03.31
申请号
SU19330125249
申请日期
1933.03.10
申请人
NECHAEV M.A.
发明人
NECHAEV M.A.
分类号
G05D7/03
主分类号
G05D7/03
代理机构
代理人
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