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发明名称
Corps creux, tels que tuyauteries, réservoirs et similaires pour recevoir, conduire, etc., les agents de pression
摘要
申请公布号
FR856584(A)
申请公布日期
1940.06.18
申请号
FRD856584
申请日期
1939.06.02
申请人
FRANZ SEIFFERT & CO., AKTIENGESELLSCHAFT
发明人
分类号
F16L3/16;F16L3/18;F16L51/00
主分类号
F16L3/16
代理机构
代理人
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