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经营范围
发明名称
Perfectionnements apportés aux tubes ondulés à épaisseurs multiples
摘要
申请公布号
FR1495912(A)
申请公布日期
1967.09.22
申请号
FR19660078890
申请日期
1966.10.05
申请人
DANFOSS A/S
发明人
分类号
B21C37/15;B21C37/20;B21D15/06;B21D22/20;B23K20/00;C21D8/10;F28F1/12
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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