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发明名称
摘要
申请公布号
FR2516916(B1)
申请公布日期
1984.01.13
申请号
FR19810021939
申请日期
1981.11.24
申请人
INSTITUT FRANCAIS PETROLE
发明人
分类号
C07C1/06;(IPC1-7):C07C9/04;C07C1/04;C07C11/02;B01J31/14
主分类号
C07C1/06
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代理人
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Electrical motor vehicle esp. for fun fair - has current user formed from non-magnetic loops set close to actuating control unit to oppose backwards force from roadway strip
Semiconductor device with heat sink - using a good heat conductor to mount the device on the sink
Ultrasonic technique for metrology - using peak value sensors responding to test piece end surfaces to operate flip=flop, gate element and counter
Panel-shaped heat store - consists of steel panels, enclosing salt filled cells forming storage structure
(meth)acrylonitrile copolymer with ethylenic unsatd. carboxylic acid - in neutralised form, as water-soluble sizes for cellulosic and acrylonitrile! fibres
Carbon di:oxide monitor for aquaria - with indicator vessel sealed to atmosphere but communicating with water surface
Colourless bromo-phenol prepn. - by reacting opt. halogenated phenol with hydrogen peroxide in conc. aq. hydrogen bromide contg. hydrochloric acid and/or hydrofluoric acid
Decomposition product detection using test tube with indicator - checks encapsulated load switches against insulation break-down of gas in switch
Drive system for magnetic tape cassettes - has clutch guide and contact rollers enabling differential tape and endless loop cassettes to be used
Heavy vehicle wheel designed for cooling air flow - has blades inside gap between rim and curved hub plate
Addressing circuit for store in telephone system - has decoder selecting several memory modules simultaneously during testing to reduce test time
Horizontal radiator for upwards heat radiation - has downwards skirt to prevent convective heat emission
Paper block prodn. with glued side suitable for advertising print - has paper filler and fine cellulosic material in or on glue
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Serviette ring and holder - has clip fastener for fixing serviette to clothes
TV receiver with frame between CRT and housing - which is formed by plate element and/or injection moulding exchangeable secured to cabinet or tube
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Low noise circular stone parting disc - has thin sheet of damping material stuck on both sides of diamond cutter steel support core