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
Loud speaker
摘要
申请公布号
US1915217(A)
申请公布日期
1933.06.20
申请号
US19290400396
申请日期
1929.10.17
申请人
THE CROSLEY RADIO CORPORATION
发明人
JR. POWEL CROSLEY,
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR PREPARING HYDROPHILIC SYNTHETIC POLYMERS HAVING A MOLECULAR WEIGHT OF AT LEAST 104
A POWER METAL-OXIDE-SEMICONDUCTOR-FIELD-EFFECT-TRANSISTOR
METHOD FOR PREPARING 26,26,26,27,27,27-HEXAFLUORO-1Ó,25-¹DIHYDROCHOLESTROL
METHOD OF ESTIMATING FEED ADDITIVES
PREPARATION OF LYSERGIC ACID ESTERS.
SAMPLE CONTROLLER
CONTROLLER FOR AUTOMATIC ICE MACHINE
ABSORPTION TYPE HEAT PUMP UTILIZING SOLAR HEAT
DYEING OF HYDROPHOBIC FIBER
PRODUCTION OF LEATHER-LIKE SHEET
PILE KNITTED FABRIC, METHOD AND APPARATUS FOR KNITTING SAME
PRODUCTION OF POLYESTER FIBER
RESIN REFLECTOR FOR LAMP
ELECTROPHOTOGRAPHIC FLASH FIXING TONER
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
ELECTROPHOTOGRAPHIC DRY TYPE TONER
WRAPPING JIG
OPTICAL INFORMATION RECORDING MEDIUM
HOT PLASTIC WORKING METHOD
ELECTROPHOTOGRAPHIC METHOD
