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发明名称
Kallioporakoneen käyttöventtiili
摘要
申请公布号
FI26578(A)
申请公布日期
1953.10.10
申请号
FID26578
申请日期
1949.07.19
申请人
PAMPEREEN PELLAVA- JA RAUTA-TEOL
发明人
DONNER HANS OTTO
分类号
(IPC1-7):E21C3/24
主分类号
(IPC1-7):E21C3/24
代理机构
代理人
主权项
地址
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