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发明名称
Klappbarer Bohrmast fuer Tiefbohranlagen
摘要
申请公布号
DE942503(C)
申请公布日期
1956.05.03
申请号
DE1953M019635
申请日期
1953.08.07
申请人
LEE C. MOORE CORPORATION
发明人
WOOLSLAYER HOMER JOSEPH;IDDINGS CHARLES DEWEY;CAMPBELL ERWIN ALLISON
分类号
B66C23/36;E21B15/00
主分类号
B66C23/36
代理机构
代理人
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