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经营范围
发明名称
Tube insonorisé
摘要
申请公布号
FR1245748(A)
申请公布日期
1960.11.10
申请号
FR19590806578
申请日期
1959.10.02
申请人
WESTAFLEX-FRANCE
发明人
分类号
F16L9/21
主分类号
F16L9/21
代理机构
代理人
主权项
地址
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