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
Appareil acoustique
摘要
申请公布号
FR950134(A)
申请公布日期
1949.09.19
申请号
FRD950134
申请日期
1947.07.25
申请人
BELTONE HEARING AID CO.
发明人
分类号
H04R25/04
主分类号
H04R25/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AUTOMATIC ICE MAKING DEVICE
HEAT PUMP DEVICE UTILIZING WASTE HEAT
COOLING HEATING DEVICE
FLOW RATE MEASURING DEVICE
GAS GENERATOR OF AN ENGINE
WOOD PROCESSING MACHINE
SIGNAL CARRIER SUPPORTS
LOW CROSS-POLARIZATION RADIATOR OF CIRCULARLY POLARIZED RADIATION
A PREFORM WIRE FOR A CARBON FIBER REINFORCED ALUMINUM COMPOSITE MATERIAL AND A METHOD FOR MANUFACTURING THE SAME
DRIVE DEVICE, ESPECIALLY FOR A WINDSCREEN WIPER INSTALLATION OF A MOTOR VEHICLE.
Use of a heavily soluble salt of a heteropolyacid for the determination of an analyte a corresponding assay and means useful therefor.
CONTAINER FOR PARTICULATE MATERIAL.
Exhaust gas catalyst arrangement.
PROCESS FOR MANUFACTURING A PREPREG FOR USE AS A REINFORCING INLAY AND USE OF SAID PREPREG.
COMPOUNDS, COMPOSITIONS AND METHOD FOR BINDING BIO-AFFECTING SUBSTANCES TO SURFACE MEMBRANES OF BIO-PARTICLES.
A METHOD FOR CARRYING OUT ORGANIC CHEMICAL REACTIONS AND APPARATUS FOR CARRYING OUT THAT METHOD.
SANITARY DEVICE FOR CATS (CAT LITTER-BOX).
METHODS FOR THE INACTIVATION OF VIRUSES IN VIRAL-CONTAMINATED PHARMACEUTICAL COMPOSITIONS.
RECOIL SPRING GUIDE MOUNTING FOR LASER SIGHT.
METHOD AND APPARATUS FOR GENERATING A HIGH DEFINITION ELECTRONIC SIGNAL FROM A LINE SCAN OF A COLOR ORIGINAL.
