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发明名称
Dispositif pour chauffer les tuyaux régulièrement sur toute la périphérie à une position donnée
摘要
申请公布号
FR719484(A)
申请公布日期
1932.02.05
申请号
FRD719484
申请日期
1931.07.04
申请人
发明人
PANTCHECHNIKOFF EVSEY
分类号
B23K3/08
主分类号
B23K3/08
代理机构
代理人
主权项
地址
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