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发明名称
Verfahren zur Herstellung von schmelzgeschweissten Hohlkörpern.
摘要
申请公布号
CH172136(A)
申请公布日期
1934.09.30
申请号
CHD172136
申请日期
1933.12.08
申请人
MANNESMANNROEHREN-WERKE
发明人
MANNESMANNROEHREN-WERKE
分类号
主分类号
代理机构
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