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发明名称
摘要
申请公布号
DE3717188(C2)
申请公布日期
1993.02.04
申请号
DE19873717188
申请日期
1987.05.22
申请人
PAURAT GMBH, 4223 VOERDE, DE
发明人
PAURAT, FRIEDRICH WILHELM;PAURAT, ROLAND, DIPL.-ING., 4230 WESEL, 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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