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发明名称
Procédé de soudage sur une plaque tubulaire d'échangeur thermique, du tube extérieur d'un double-tube à détection de fuite
摘要
申请公布号
FR1502036(A)
申请公布日期
1967.11.18
申请号
FR19660047788
申请日期
1966.10.05
申请人
发明人
GIROD JEAN, LOUIS
分类号
B23K9/028;F28F9/02;F28F9/18
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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