Fleuret pour perforation,申请号FRD1041109-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	Fleuret pour perforation
摘要
申请公布号	FR1041109(A)	申请公布日期	1953.10.21
申请号	FRD1041109	申请日期	1951.08.07
申请人		发明人	MAGNIN MAURICE-ANDRE
分类号	E21B17/04	主分类号	E21B17/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DEHYDRATOR OF WASHED SAND AGGREGATE OR THE LIKE

COLOR CHANGING DEVICE FOR COLORED POWDER COATING DEVICE

BACKWASHING METHOD OF ULTRAFILTER

WASHING APPARATUS FOR RAPID FILTER POND

MANUFACTURE OF HOLLOW FIBER

FORMING METHOD OF NONNTACKY COATING FILM HAVING CORROSION RESISTANCE AND ABRASION RESISTANCE

METHOD AND APPARATUS FOR FILTRATION

Disproportionation of toluene.

MIXED OXIDES FOR THE ELECTRODES OF ELECTROCHEMICAL HIGH TEMPERATURE CELLS WITH SOLID ELECTROLYTE, AND PROCESS FOR THEIR MANUFACTURE

Alumina trihydrate as flame retardant agent for urethane-modified carbodiimide-isocyanurate foams.

Fuel injection system for an internal combustion engine and air/fuel ratio controller therefor.

Improvements in or relating to collapsible conical elements.

Basically substituted urea compounds, process for producing the same and pharmaceutical compositions containing the same.

Process and device for the biological purification of waste water by the activated-sludge process.

Threaded connections.

Bradykinin inhibiting tripeptide derivatives, process for their preparation and pharmaceutical preparations containing them.

Valve assembly.

EXPLOITATION OF THE GRAVITY FORCES FOR THE SPACESHIPS MOVEMENT ACCORDING TO THE THEORY OF HARMONY OF FIELD

MANUFACTURE OF SEMICONDUCTOR