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经营范围
发明名称
Elastischer Eisenbahnoberbau
摘要
申请公布号
DE602219(C)
申请公布日期
1934.09.08
申请号
DE1932K125095D
申请日期
1932.04.15
申请人
DIPL.-ING. FRANZ KRUCKENBERG;DIPL.-ING. CURT STEDEFELD
发明人
分类号
E01B3/00
主分类号
E01B3/00
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代理人
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