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
Perfectionnements aux amplificateurs thermioniques
摘要
申请公布号
FR754811(A)
申请公布日期
1933.11.13
申请号
FRD754811
申请日期
1933.04.27
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H03F1/36;H03F1/50
主分类号
H03F1/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Thiol compounds
Variable valve lift mechanism for internal combustion engine
O-benzyl oxime ether derivatives and their use as pesticides
Morphine and codeine derivatives for use in therapy
Modular artificial hip joint
Modular joint prosthesis
Use of the bio-frequency spectrum in animal embryo-engineering
Power actuated fastening tool
Curable resin and composition
Method for topical treatment of androgenic alopecia
Human traction system by means of independent synchronized pedals with variable development of the sine type
Active bio-compounds
Sheet feeder system and method
Copper containing oxidases useful as iodide oxidases
Arcuately reciprocating human sexual fitness machine
Internalisation of dna, using conjugates of poly-l-lysine and an integrin receptor ligand
System for pattern recognition
Tool for picking fruits and vegetables
Methods for the prevention or treatment of vascular hemorrhaging and alzheimer's disease
Process for the preparation of a pharmacologically active chemical combination
