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发明名称
摘要
申请公布号
FR2080209(A6)
申请公布日期
1971.11.12
申请号
FR19700007029
申请日期
1970.02.26
申请人
LEGRIS FILS
发明人
分类号
F16L37/092;(IPC1-7):F16L37/00
主分类号
F16L37/092
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