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
Electric controlling apparatus
摘要
申请公布号
US1893223(A)
申请公布日期
1933.01.03
申请号
US19300504618
申请日期
1930.12.24
申请人
WARD LEONARD ELECTRIC COMPANY
发明人
BURKLE ROBERT R.
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MICROWAVE BROADBAND SWITCHING ASSEMBLY
COLOR CATHODE RAY TUBE OF THE PLURAL-BEAM, SINGLE ELECTRON GUN TYPE
ELECTRON IMAGING DEVICE
ELECTRIC CIRCUIT BREAKER WITH BIMETALLIC STRIP PROTECTIVE MEANS
ELECTRODES FOR ELECTROLYTIC REDUCTION CELLS
POLYMERIZATION OF PROPYLENE
METHOD AND DEVICE FOR CLEANING DUST FILTERS, ESPECIALLY POCKET FILTERS
HAIR CURL RETAINER
HYDROCARBON POLYMERS AND PROCESS FOR PRODUCING THEM FROM HYDROCARBON POLYMERS CONTAINING OLEFINIC UNSATURATIONS
ADDUCTS OF POLYEPOXIDES AND POLYAMINES
EPOXIDE RESINS CURED WITH ALIPHATIC POLYAMINES IN ADMIXTURE WITH ARYL SULFONAMIDE-ALDEHYDE RESINS
METHOD OF PREPARING PEPTIDES
LUBRICATING COMPOSITION
OXYHALOGENATION CATALYSTS
DEHYDROGENATION
METHOD AND APPARATUS FOR DEVELOPMENT OF ELECTROSTATIC IMAGES
