Ciseau plat pour le procédé de forage rotatif,申请号FRD804286-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	Ciseau plat pour le procédé de forage rotatif
摘要
申请公布号	FR804286(A)	申请公布日期	1936.10.20
申请号	FRD804286	申请日期	1936.03.24
申请人	PREUSSISCHE BERGWERKS- UND HUETTEN-AKTIENGESELLSCHAFT ZWEIGNIEDERLASSUNG ERDOL UND BOHRVERWALTUNG ABT. BOHRVERWALTUNG	发明人
分类号	E21B10/54	主分类号	E21B10/54
代理机构		代理人
主权项
地址

您可能感兴趣的专利

MULTI-BIT TRENCH CAPACITOR

Novel compounds

An herpes simplex virus complex

Educational toy

Jewelry apparatus and method of setting gemstones therein

Battery protection system

Derivatised carbohydrates and their use in solid delivery systems

Wrap around effects airfumes and power units in aerial progressions in popular statistics

PROCESS FOR MANUFACTURING DISPOSABLE ABSORBENT CORES, AND AN APPARATUS FOR PERFORMING THE PROCESS

FRAGRANCE COMPOUNDS

Document printed with graphical symbols which encode information

Novel formulations of drugs

ELECTRICAL CONNECTION MATERIAL AND ELECTRICAL CONNECTION METHOD

COMBINATION FOR TREATING WEIGHT GAIN ASSOCIATED WITH ANTIPSYCHOTIC USE COMPRISING AN ATYPICAL ANTIPSYCHOTIC AND AN H2 ANTAGONIST

VLA-4 INHIBITOR COMPOUNDS

Process for the preparation of highly chromatic perylene pigments