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经营范围
发明名称
BELLOWS PIPE JOINT
摘要
FIELD: pipeline engineering. ^ SUBSTANCE: joint has L-shaped bushings made of martensite steel cylindrical rings provided with outer radial projections which face each other. ^ EFFECT: enhanced reliability. ^ 9 cl, 9 dwg
申请公布号
RU2241893(C1)
申请公布日期
2004.12.10
申请号
RU20030111249
申请日期
2003.04.18
申请人
发明人
KALITEEVSKIJ A.K.;SHIRJAEV D.A.;GLUKHOV N.P.;DOBULEVICH V.M.
分类号
F16L51/02
主分类号
F16L51/02
代理机构
代理人
主权项
地址
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