Improvements in selective protecting systems for electrical networks,申请号GB19390028468-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	Improvements in selective protecting systems for electrical networks
摘要
申请公布号	GB533322(A)	申请公布日期	1941.02.11
申请号	GB19390028468	申请日期	1939.10.23
申请人	ULRICH HECHT;ALLMAENNA SVENSKA ELEKTRISKA AKTIEBOLAGET	发明人
分类号	H02H1/00	主分类号	H02H1/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

PNEUMATIC BRAKE CHAMBER

ROTARY COMPRESSOR

ADAPTABLE ELECTROHYDRAULIC DRIVE OF EXCAVATOR

MOUNTED EQUIOMENT OF EXCAVATING MACHINE

METHOD OF PREDICTION OF ROCK BUMP AND OUTBURST HAZARDS FORE OF WORKING FACE

MACHINE FOR TUNNELING IN SEAMY ROCKS

METHOD FOR WORKING MINERAL DEPOSIT

METHOD FOR NON-EXPLOSIVE DESTRUCTION OF HARD SEAMY ROCKS

A METHOD OF REINFORCING THE END OF HYDRAULIC PACKER SEALING MEMBER

DEVICE FOR PRODUCING HYDRAULIC LOSSES IN PIPELINES EXPANDING STAGEWISE

HYDRAULIC SYSTEM

HYDRAULIC SYSTEM OF POWERED SUPPORT

WELL DRILLING TECHNIQUE

DEVICE FOR CONTROLLING THE COMPOSITION OF BORING COLUMN LOWER SECTION

EXTERNAL THREE-LAYER WALL PANEL