Lampe de sécurité contre les coups de grisou,申请号FRD50633-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	Lampe de sécurité contre les coups de grisou
摘要
申请公布号	FR50633(E)	申请公布日期	1941.01.27
申请号	FRD50633	申请日期	1939.06.02
申请人	FRIEMANN & WOLF, G.M.B.H.	发明人
分类号	F21L13/02	主分类号	F21L13/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ELECTROIONIZING LASER

GLASFIBERKROPPAR, FORFARANDE FOR FRAMSTELLNING AV GLASFIBERKROPPAR SAMT ANVENDNING AV GLASFIBERKROPPAR

FORFARANDE FOR FRAMSTELLNING AV KREATININ-DESIMIDAS GENOM ODLING AV NYA STAMMAR TILLHORANDE SLEKTERNA BREVIBACTERIUM, CORYNEBACTERIUM, PSEUDOMONAS OCH ARTHROBACTER

Locking device for doors and covers, especially on device cubicles for electric equipment

AUTOMATISK DOSERINGSANORDNING FOR PULVERFORMIGA RENGORINGSMEDEL I EN TVETT- ELLER DISKMASKIN

COAXIAL MULTISTAGE GEARBOX FOR VEHICLE

DEVICE FOR CORRECTING NON-LINEARITY OF HORIZONTAL SCAN

DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS

TRANSLATOR FROM RESIDUAL CLASS SYSTEM CODE TO BINARY CODE

CASSEGRAINIAN AERIAL

DEVICE FOR SIMULATING HEAT TRANSFER PROCESS IN HEAT EXCHANGER

ZEOLYTE DEPOSIT LOCATING METHOD

DEVICE FOR BLOCKING TELEPHONE DIAL

VOLUME-TYPE PICKUP OF GASEOUS MEDIA HUMIDITY

METHOD OF DETERMINATION OF INTERNAL STRESSES OF COATINGS

APPARATUS FOR CONTROLLING AIR FLOW RATE IN MINE WORKINGS

VIBRATION FEED MECHANISM

TWIN CORE-DRILLING TOOL

APPARATUS FOR TESTING PILES UNDER STATIC LOAD