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
摘要
申请公布号
JPS57178800(U)
申请公布日期
1982.11.12
申请号
JP19810065758U
申请日期
1981.05.06
申请人
发明人
分类号
H04R27/00;H04R27/04;(IPC1-7):H04R27/00
主分类号
H04R27/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND APPARATUS FOR PRODUCTION OF WIRE FROM SCRAP ALUMINIUM
DETECTING ELEMENT FOR INFLAMMABLE GAS
WIDE OPENING LIGHT GUIDE
DISK PLAYER
CURRENT LIMITER
METHOD OF FORMATION OF RECEIVING INLET
MOLD FOR FORMING SYNTHETIC RESIN ELBOW JOINT AND THE LIKE
METHOD OF COATING WET CEMENT CONCRETE PRECAST ARTICLES
POTTERY SUPPORT STRUCTURE
CATALYST AND PRODUCTION THEREOF
GAS SEPARATOR
LAMINATED ADHESIVEE BACKED PIECE
POWDER COATING RESINCOMPOSITIONS
MANUFACTURE OF HEAT RESISTING TENACIOUS CERMET
HIGH PRESSURE ROLLING OF BILLET AND ROD OR LIKE
SURFACEETREATED STEEL SHEET WITH LAMELLAR SILICIC ACID HIGHHMOLECULAR COMPOUND COATINGS AND PROCESS FOR PRODUCING THE SAME
MOLD REPAIRING PROCESS
CHANGEEOVER SPOOL VALVE FOR RECIPROCATING PISTON OF HYDRAULIC IMPACT MACHINE
SEPARATELYYDRIVEN HYDRAULIC IMPACT MACHINE
HOOP MATERIAL SUPPLY DEVICE