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发明名称
Joint rapide flexible pour tuyaux rigides ou souples
摘要
申请公布号
FR725067(A)
申请公布日期
1932.05.07
申请号
FRD725067
申请日期
1931.10.26
申请人
发明人
KEITEL HANS JULIUS
分类号
F16L37/52
主分类号
F16L37/52
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代理人
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