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
橡皮头活动铅笔(042317)
摘要
申请公布号
CN3372424D
申请公布日期
2004.06.09
申请号
CN200330107894.7
申请日期
2003.11.06
申请人
金碧华
发明人
金碧华
分类号
19-06
主分类号
19-06
代理机构
宁波天一专利代理有限公司
代理人
张莉华
主权项
地址
315200 浙江省宁波市镇海区五里牌宁波文魁笔业有限公司
您可能感兴趣的专利
Board for moving on snow slopes - with two skis attached underneath fitted with silentblocs
Germicidal compsn. prepn. from sodium chlorite - by contact with acid material including lactic acid, in aq. medium
Horizontal silo discharge tool - consists of driven milling drum with outwardly directed blades used as milling tools (OE 15.4.79)
Cold milk-based food prod. expanded with air - used in yoghurt, mousses, milk shakes, ice creams, etc.
High precision integrator for use with Rogowski coils - has RC integrator followed by integrating operational amplifier including amplitude corrector
Motor vehicle heating system controller - has levers controlling air inlet, fan, valve and heat exchanger
Locating transmitter attachable to falcons - has jaws of clamp gripping quills of two central feathers of falcons tail
Electric spark circuit for gas cigarette lighter - has bias circuit including resistor connected between base of transistor and negative battery terminal
Electrical wiring system plug - is rotated in slot to connect contacts with rail conductors
Fast warm=up cathode heater assembly - for electron discharge device
Device for sampling crude oil flowing in pipeline - has hollow funnel element across pipe dia. tapering to small sampling area ensuring collection from all layers
Mowing machine hydraulic drive control valve - has passage in rotary piston throttling one outlet to increase pressure to other
Reciprocating piston internal combustion engine - has ports controlled by rotating tubes in place of valves for quiet running
Controlling temp. distribution in glass-melting furnace - using multiple electrodes with varying extents of bath penetration
Transparent plastics cover for telephone directory - is used to display list of numbers most frequently used
Text book with exercises for reader - has tear-off section for answers at bottom (PT 6.12.79)
Carbonaceous adhesive cement applied in the cold state - esp. for luting carbon or graphite electrolysis cells used for mfg. aluminium
Hand held automatic boat scull - has blade turning coaxially to handle to either side of central plane
Steel bar cutter for rolling mill - has two opposed movable rotating blades on epicycloidal paths dictated by planetary gear transmission
Rotary shredder for metal contg. material - has blades fixed to moving and stationary to define negative cutting angle between them