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发明名称
VENTIL, SCHIEBER ODER SONSTIGES VON HAND ZU BETAETIGENDES ABSPERRORGAN FUER LUFT-, WASSER-DAMPF- ODER GASLEITUNGEN.
摘要
申请公布号
DE1713368(U)
申请公布日期
1955.12.22
申请号
DE195400G9801U
申请日期
1954.07.15
申请人
GELSENKIRCHENER BERGWERKS-A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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