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发明名称
音箱(CW-802)
摘要
申请公布号
CN3634320D
申请公布日期
2007.04.18
申请号
CN200630115770.7
申请日期
2006.08.17
申请人
沈谦民
发明人
沈谦民
分类号
14-01
主分类号
14-01
代理机构
杭州九洲专利事务所有限公司
代理人
陈继亮
主权项
地址
311112浙江省杭州市余杭区良诸勾庄工业园区勾运路41号
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Automatic polishing machine for semiconductor wafers - has stack of cassettes carrying wafers with pistons to push cassettes into and out of polishing position
Electronic equipment cabinet impervious to stray EM fields - has side panels made with interlocking right=angled brackets to eliminate gaps
Distortion correction circuit for scintillation camera - esp. Auger camera collecting gamma rays from human organs in medical investigations, and using electronic processor to correct distortion
Inverse air draught fireplace with heat recuperator - has top to bottom water flow heated by escaping gases
Opposed piston IC-engine - has opposed pistons in same cylinder actuating differential speed crankshafts to increase power stroke volume
Stratified thermal insulation block for wall - has different concrete densities suiting function of layer location on core
Reinforced concrete foundations suspended over thermal insulation - made by casting onto intermediate water-impermeable film
Protein foaming agents and emulsifiers - recovered from blood or chlorophyll by treatment in acid or alkali
Compressed air transport feed - uses capsules in pipes with controls and air bottles together for security
Copying lathe with head and tail stocks - produces work with cylindrical end using steady for following tool to support work and reduce vibration
Hood for extracting fumes from fresh welded fittings - adjusts for height and slope and fits over endless belt between welding post and store
Pan cleaner with two scouring pads - has pads connected to deformable handle with handle outside pan and adjuster causing pads to move together or apart
Grain-sorting plant with single file free fall to output chute - uses reject detectors at fall with reject guide sited in output chute
Swim fin joined to supple adjustable foot pocket - has double sole on pocket forming groove in which end of fin slides
Winch for assisting animal in labour - has spring loaded piston and cylinder unit mounted on rigid frame to apply traction to feet of calf
Display container for roll of cable - has circular translucent plastic body with rim for lid, and slot for axle bar
Universal wood working machine - has horizontal arm sliding on vertical column carrying sliding tool support and supporting table mounted on base
Lifting grip for sheet - has parallel jaws with one closed by cam operated by lifting chain to suit varying thicknesses
Inter-conversion of poly:chlorobenzene cpds. - by contact with alkali metal base and complexing agent