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
Electrodynamic microphone
摘要
申请公布号
US3141070(A)
申请公布日期
1964.07.14
申请号
US19600034556
申请日期
1960.06.07
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
SCHENKEL GERRIT;HAAN JACOB IZAAK DE
分类号
H04R1/38
主分类号
H04R1/38
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Modified polyimides; production thereof, bonding therewith and production of composite articles therefrom.
Arrangement for actuating a split bucket.
Nuclear magnetic resonance methods and apparatus.
Methods of and apparatus for digital data conversion.
Method and apparatus for flash welding.
Optical system drive for optical recording/reproducing apparatus.
Apparatus for automatic speech activity detection.
Composites utilizing fillers of surface modified hollow microspheres.
Dispenser for peritoneal cavity.
Crown ether Derivatives.
Alpha-carbamoyl-pyrrolepropionitriles, process for their preparation, pharmaceutical preparations containing them and their uses in therapeutic applications
Method for producing 1-iodoalkyl acylates.
The use of silicones as traction fluids.
Dispenser for active materials.
PROCESS FOR MAKING EPSILON-CAPROLACTAM
A REPRODUCTION SYSTEM FOR PRODUCING AND COLLATING COPIES FROM A SET OF DOCUMENT SHEETS
MOUNTING ARRANGEMENT FOR ELECTRIC-COOKING PLATES
METHOD AND ARRANGEMENT FOR LOCAL ADDRESS ACQUISITION BY A STATION IN A COMMUNICATION SYSTEM
ETCHING SOLUTION FOR ETCHING OF PHOTOPOLYMERIC FILMS
SEALANT COMPOSITION AND ITS USE IN WELDING
