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经营范围
发明名称
Stempelverlaengerungsschuh
摘要
申请公布号
DE920181(C)
申请公布日期
1954.11.15
申请号
DE1951B015980
申请日期
1951.07.22
申请人
BECORIT GRUBENAUSBAU G.M.B.H.
发明人
KOWALSKI HELLMUTH DR.-ING.
分类号
E21D15/52
主分类号
E21D15/52
代理机构
代理人
主权项
地址
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