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发明名称
Способ соединения двух труб, внутренний периметр одной из которых больше наружного периметра другой
摘要
申请公布号
SU38842(A1)
申请公布日期
1934.09.30
申请号
SU19340140097
申请日期
1934.01.05
申请人
ZAKREVSKIJ N.I.
发明人
ZAKREVSKIJ N.I.
分类号
F16L37/02
主分类号
F16L37/02
代理机构
代理人
主权项
地址
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