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发明名称
Perfectionnements aux tuyaux et joints de tuyaux
摘要
申请公布号
FR1249700(A)
申请公布日期
1960.12.30
申请号
FR19600820102
申请日期
1960.03.02
申请人
N. V. NEDERLANDSCHE ELECTROLASCH MAATSCHAPPIJ
发明人
分类号
F16L13/02
主分类号
F16L13/02
代理机构
代理人
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