扬声器(一),申请号CN98300315.7-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	扬声器(一)
摘要
申请公布号	CN3098793D	申请公布日期	1999.01.13
申请号	CN98300315.7	申请日期	1998.01.05
申请人	徐方义	发明人	徐方义
分类号	14-03-M0126	主分类号	14-03-M0126
代理机构	北京奥瑞专利事务所	代理人	朱黎光
主权项
地址	台湾省台北市基隆路二段189号9楼之8

您可能感兴趣的专利

Safety harness for workman operating at height - comprises belt with two straps and sub-pelvic belt linked into central buckle at front

Quilted coat transformable into sleeping bag - by removing arms and detaching the front from the back using sliding clasp fasteners

Protective enclosure for vertically mounted electronic components - consists of insulating block with profiled recesses fitting components

Piezoelectric ignition system for road vehicle - has special cam used to compress spring which initiates impact against piezoelectric elements

Cooling fin for heat exchanger - has undulations formed in annular area around hole for passage of tube and in contact with it

Chimney intake cowl for fireplace - has forward-sloping bottom rear deflector and rearward-sloping upper deflector defining fume and fresh air passages

Self-adjusting industrial disc brake - has torsion spring wound around one shoe mounting bolt and acted on by push-off rod to reduce return movement

Cover fixture for ventilation duct. access - uses hairpin clips deformed by clamping screws to press against cover sides

Strain gauge mounting for steam turbine blade - has protective coating applied after curing of adhesive by IR radiation

Connection for rectangular metal door frame - has clip with double plate tenons entering mortices formed by bridge strap

Concrete paving slabs with sinusoidal borders - self-aligning for ease of laying

Steering and braking mechanism for vehicle - has linkages to control wheel drives separately and another linkage for applying brakes to both

Cigar cutter for variety of sizes - cuts with crossing cutters with four contact points on cigar

Enamel slurry fed into hot water storage tank - followed by draining and baking to obtain internal vitreous enamel coating

Mask for checking lottery cards - has format identical to card with winning numbers removed to provide windows for marked combinations

PROCEDE POUR LA FABRICATION D'ARTICLES EN METAL FRITTE ET ARTICLES AINSI OBTENUS

MECANISME DE SUPPORT TRANSVERSAL PERFECTIONNE, NOTAMMENT POUR VEHICULES DE TERRASSEMENT

PROCEDE DE MONTAGE D'UN ORGANE D'ETANCHEITE DANS UN ASSEMBLAGE DE TUYAUX

DISPOSITIF POUR LA SIMULATION DE SIGNAUX DE REPERAGE EMIS PAR UNE BALISE

PROCEDE DE PREPARATION D'A-CETOCARBONAMIDES N-SUBSTITUES ET PRODUITS OBTENUS PAR CE PROCEDE