宫廷磨面玉,申请号CN90302745.3-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	宫廷磨面玉
摘要	俯视图、后视图、仰视图与主视图相同，故省略俯视图、后视图、仰视图。
申请公布号	CN3009138S	申请公布日期	1991.04.17
申请号	CN90302745.3	申请日期	1990.08.17
申请人	姚士奇	发明人	姚士奇
分类号	28-03-M0064	主分类号	28-03-M0064
代理机构	扬州市专利事务所	代理人	许必元
主权项
地址	225002江苏省扬州市史可法路9-1-102号

您可能感兴趣的专利

Granular material centrifugal drying appts. - has grid to divert tangential hot air flow around chamber and towards material entry

Monitoring circuit for fuses of static converter - with fuses connected to transformer whose secondary windings are connected in parallel through signalling circuits and switch

Machinery for welding the edges of fabrics together - comprises travelling carriage which moves along the selvedge

Safety wing mirror for night driving - has rearwards directed light mounted below mirror housing and operated by switch

Multiple writing pen made up from three separate writing elements - has any two of these capable of having detachable connection

Inert gas generation from exhaust gas - by controlling fuel-gas ratio to achieve the required compsn.

Manually operated domestic gas tap - has insulating piece retained by springs or pin screws of fitted as hat on tap

In situ extraction of hydrocarbon deposit - by inductive heating through conductor spiral enclosing deposit section

Wheel elevator with buckets in ring - has bucket cutting edges at alternating radii from centre

Light fitting with screen - has screen made from length profiled stays and reflecting screen angle of incline increasing from bottom to top

Crane jib of composite material - comprising box sections, opt. reinforced with glass or carbon fibre and plastics or aromatic polyamide

Plug-in adaptor with earth contact - has connection between socket part sleeve contact and plug part pin broken and brought out, so that connection can be made outside adaptor

Electronic flowmeter transducer using comparison gas volume - converts pressure into oscillations of wire which are measured and counted

Mass prodn. process for voltage dividers - using silk screen to produce resistors and moving by corresponding distance if tolerance is too high

Frost protection for young plants - using gas or oil combustion with white reflector below radiator

Door or window connecting profile bar - comprises two metal pieces forming synthetic foam filled hollow chamber heat insulating walls

Refractory plug made of two parts and located on stopper rod - for closing the outlet hole on a bottom pour ladle

Prefabricated staircase for multistorey building - with stair flights linking vertical panels into independent lattice girder structure

Spheroidal silica-alumina particles prodn. - from basic aluminium sulphate and acidic silica sol.

General purpose mixer with recycle - having central shaft with rotor at base and provision for static mixer elements