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经营范围
发明名称
BARRENA PARA ROCA
摘要
申请公布号
MX146971(A)
申请公布日期
1982.09.15
申请号
MX19790176718
申请日期
1979.02.26
申请人
HAWERA PROBST GMBH
发明人
PEETZ WOLFGANG;KLAISSLE SIEGFRIED
分类号
B28D1/14;B23B51/04;E21B10/00;E21B10/04;E21B10/44;(IPC1-7):E21C13/06
主分类号
B28D1/14
代理机构
代理人
主权项
地址
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