Biegsames Gestaenge fuer drehendes Tiefbohren,申请号DE1934SC03689D-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Biegsames Gestaenge fuer drehendes Tiefbohren
摘要
申请公布号	DE635735(C)	申请公布日期	1936.09.23
申请号	DE1934SC03689D	申请日期	1934.03.11
申请人	GUENTER SCHULTE-LOH	发明人
分类号	E21B17/20	主分类号	E21B17/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

High temperature alarm

Protecting and cleaning means for movable electrical contact elements

Pulse amplifier

Derivatives of dehydroabietonitrile

Petroleum resins by after-treatment with diolefins

Recovery of uranium values from waste

Methods of making prewelt shoes

Stapler for sausage package

Spliced woven fabrics and method of splicing the same

Filtering device

Lawn mower construction

Method of covering the joint between wallboard and the resultant product

Article orienting means

Quick action clamp device

Metalliferous azo-dyestuffs

Apparatus for draining off excess liquid from coated articles

Simultaneously movable table and chair

Resinous coating