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
Push-pull transistor amplifier
摘要
申请公布号
US2782267(A)
申请公布日期
1957.02.19
申请号
US19530384831
申请日期
1953.10.08
申请人
NORTH AMERICAN AVIATION, INC.
发明人
BECK JOHN W.
分类号
H03F3/30
主分类号
H03F3/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CARTON ERECTING MACHINES
SWIVEL CONVEYORS AND MEANS FOR MOUNTING AND DRIVING THE SAME
ARTICLE FEEDING AND TURNING MECHANISM
SULFUR TRIOXIDE COMPOUNDS OF PENTAALKYLGUANIDINES
HYDRAULIC LOG BARKER
SUBSTANCES HAVING AN ANTI-ENZYMATIC EFFECT
SUCTION CLEANER NOZZLE
CRATE FASTENER
ENGRAVING MACHINES
PHOSPHORUS-CONTAINING AMINO RESINS AND ORGANIC FIBER FLAMEPROOFING PROCESS
Method of fabricating railway car ladders
Fiber-forming acrylonitrile polymer blends
Production of chemicals
Electrical receptacles
Adducts of monoalkenylsuccinates with fumarates
Needle nozzle for internal combustion engines
Preformed slab and shell construction
Process of producing alkyl acrylates by dehydrohalogenation using an anhydrous calcium sulfate catalyst
Herbicidal composition
Separation of comminuted cellulose acetate