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发明名称
EINSTELLBARES BEDUESUNGSVENTIL
摘要
申请公布号
DE4123610(A1)
申请公布日期
1993.01.21
申请号
DE19914123610
申请日期
1991.07.17
申请人
RICHARD VOSS GRUBENAUSBAU GMBH, 5840 SCHWERTE, DE
发明人
VOSS, RICHARD, 5840 SCHWERTE, DE
分类号
E21C35/22
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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