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
Improvements in or relating to the production of springs
摘要
申请公布号
GB349821(A)
申请公布日期
1931.06.04
申请号
GB19300020701
申请日期
1930.07.08
申请人
EDELSTAHLWERK ROECHLING AKT. GES.
发明人
分类号
B21F3/04
主分类号
B21F3/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSICAO CONSTRUTIVA EM CADEIRA DE PRAIA E/OU PISCINA
DISPOSICAO EM SOLADO PARA CONFECCAO DE CALCADOS
RECIPIENTE DOSADOR DE MASSAS PASTOSAS
PILASTRAS PRE-FABRICADAS,MOLDADAS EM CONCRETO
MODULO DE VALVULAS,ESPECIALMENTE PARA POCOS DE PETROLEO SUBMARINOS
PISCINA DE BOLAS
ASPIRADOR PORTATIL
INFRARED RAY EMITTING UNIT USED IN LIQUID
AUTOMATIC RECOGNIZING DEVICE FOR NUMBER PLATE
MAIN STORAGE CONTROL SYSTEM
SINGLE LENS REFLEX CAMERA
LIGHT BEAM EXPOSING DEVICE
THERMAL DEVELOPMENT AND IMAGE RECEIVING SHEET SUITABLE THEREFOR
CANNED MOTOR PUMP
CAP TYPE CYLINDER HEAD
AIR-FUEL RATIO CONTROLLER FOR ENGINE
DETECTION OF ATMOSPHERIC PRESSURE IN ELECTRONIC CONTROLLER FOR INTERNAL COMBUSTION ENGINE
PRODUCTION OF SHEATHING MEMBER
PRODUCTION OF PERFLUOROCAPRYLIC ACID FLUORIDE
PRODUCTION OF FERROMAGNETIC POWDER
