Appareil de projection perfectionné,申请号FRD843667-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	Appareil de projection perfectionné
摘要
申请公布号	FR843667(A)	申请公布日期	1939.07.07
申请号	FRD843667	申请日期	1938.03.15
申请人	ANCIENS ETABLISSEMENTS BARBIER, BENARD & TURENNE	发明人	MESTRE LOUIS
分类号	G03B21/06	主分类号	G03B21/06
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Automatic validity checking and type identification of banknotes - uses light diodes and photosensitive detectors to identify characteristic transparency patterns in tracks across the notes

Continuous chain transporter for carriages - has ramps used as decoupling mechanisms permitting slowing down of carriages

Central heating pulse control system - includes twin oscillators and counters, with convertor, comparator and gate arrangement

Ski boot and binding combination - incorporates heel retainer and turning plate movable together about vertical axis

Hydraulic solid-liquid mixtures transport system - uses filtering and thickening system and mixture is moved into conveyor pipe under pressure

Boot standing surface swivel ski brake - uses shackle with flap and stop, released by spring tension

Display scale for watches and instruments - uses arrangements of different colour electro-optical indicators for clarity e.g. 2 concentric circles

Electric machine brush holder - stands radially to commutator or slip rings and has guiding channel in its body for press. element

Electrostatic prism capacitor for mass spectrometer - has radially curved plates with axially concave surfaces facing each other

Control system for profiling and embankment excavator - has angle sensors for generating data for automatic operation (NL 15.11.77)

Rotary slide valve vacuum pump - has pump and motor in common housing which is filled with oil and has bearing in dividing wall

Model aeroplane wing connection - has wings removably fastened above or below fuselage by spring or rubber bands

Carpet or floor covering sample display - has brackets which hold samples which can be adjusted to stack or display samples

SKI LIFT SEAT DEVICE

WAERMEAUSTAUSCHER IN ENDVERSCHLUESSEN FUER ELEKTRISCHE SUPRALEITERKABELANLAGEN

Steige fuer Obst Gemuese Suesswaren etc

ELEKTROPHOTOGRAPHIEVERFAHREN

TRAPLOOS VERSTELBARE AANDRIJVING MET KEGELWIELEN EN EEN HIERMEE SAMENWERKEND EINDLOOS ORGAAN.

SCHUTZSCHALTUNG FUER GLEICHSTROM- HAUPTSTROMKREIS