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发明名称
DRUCKGESTEUERTES SCHICHTENPRUEFER-TESTGERAET
摘要
申请公布号
DD138914(A1)
申请公布日期
1979.11.28
申请号
DD19780203125
申请日期
1978.01.06
申请人
WAGNER,ROLF,DD;STINSKY,KLAUS,DD;STOLZ,GUENTHER,DD
发明人
WAGNER,ROLF,DD;STINSKY,KLAUS,DD;STOLZ,GUENTHER,DD
分类号
E21B49/00;(IPC1-7):E21B49/00
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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