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经营范围
发明名称
Vorrichtung zum Stapeln und Transportieren von Rohren
摘要
申请公布号
DE1911968(A1)
申请公布日期
1969.10.16
申请号
DE19691911968
申请日期
1969.03.10
申请人
AUTOMATIC DRILLING MACHINES,INC.
发明人
J. DEA,HENRY;EDWARD LYNCH,PAUL
分类号
E21B19/20;E21B19/15
主分类号
E21B19/20
代理机构
代理人
主权项
地址
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