首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Perfectionnements aux dispositifs de mise au point pour appareils photographiques
摘要
申请公布号
FR679417(A)
申请公布日期
1930.04.12
申请号
FRD679417
申请日期
1929.07.26
申请人
发明人
MOTTLAU AUGUST J.
分类号
G03B19/12
主分类号
G03B19/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Suspension for rear wheels of vehicle - incorporates arrangement of two horizontal arms of differing lengths
Arrangement for measuring liquid level, esp. oil in engine sump - is dip stick with stop in sump base defining measurement position and elastic seal in insertion aperture
Positive photosensitive lacquer-resistant to plasma etching - comprises selected 1,2-naphtho:quinone-2-di:azide, phenol¨ resin, silicon-contg. substd. benzoic acid and solvent
Adjustable vice for holding small objects - comprises right angled bent rod with clamp at upper end and spring-loaded revolving knob
Rectifier with two function generators for electric motor supply - enables modulating sinusoidal or square waves to be selected with carrier frequency reduced for operator training
Offset printing plate for printing with wiping water - has covering layer with hydrophobic, hydrophobic and oleophilic components
Electrical protective device for electro-medical appts. - contains isolation transformer and resistive insulation monitor with safety switching
Vehicle facia or parcel shelf has integral ventilation channel - has channel filled with heat conducting particles, esp. ceramic balls or air-permeable ceramic foam
Valve spindle in its housing - has recess at height corresponding to shoulder in housing internal bore, seating loacting disc
Tooth calibration pin, used to anchor denture model - has cylindrical stem pressed in hole in model and pressurised polyoxymethylene ring to expand and grip model
Cross spring joint for shaft mounting - has inner and outer cylinders separated by flat springs attached each end to one cylinder
VERFAHREN UND VORRICHTUNG ZUM AUSTAUSCH VON SCHMIERMITTEL EINES AGGREGATS
Protecting gas or liq. delivery system against dry running - using light transmitted via transparent walls to receiver only if without medium
VERFAHREN UND MESSKOPF ZUR FEINSTEUERUNG DER TUNNELSPITZE EINES RASTER-TUNNEL-MIKROSKOPS
ELECTROMAGNETIC PROPULSIVE EQUIPMENT
CRIMPING METHOD FOR ELECTROCHEMICAL CELLS
Dishwasher incorporating sprays above and below crockery basket - draws water supply for intermediate level spray from centre of upper spray lifted on to pipe
IC-PAKETIEREINRICHTUNG
NEW ADHESIVE COMPOSITION
TACKY ADHESIVE TAPE