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发明名称
Rondelles d'étanchéité pour joints de canalisations véhiculant des hydrocarbures aromatiques
摘要
申请公布号
FR1111768(A)
申请公布日期
1956.03.05
申请号
FRD1111768
申请日期
1954.09.28
申请人
LE CAOUTCHOUC S. I. T.
发明人
PONCEL MAURICE
分类号
F16L21/02
主分类号
F16L21/02
代理机构
代理人
主权项
地址
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