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
UNTERRICHTSGERAET ZUR VERANSCHAULICHUNG DER BRUCHRECHNUNG.
摘要
申请公布号
DE1674589(U)
申请公布日期
1954.04.08
申请号
DE195400B6519U
申请日期
1954.02.10
申请人
HEINRICH BIELER
发明人
HEINRICH BIELER
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Color cathode ray tube
Method and apparatus for discriminating toner bottle types, stirring toner, and detecting the amount of remaining toner
Flip-chip package utilizing a printed circuit board having a roughened surface for increasing bond strength
Image processing method and apparatus
Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium
Three-dimensional input manipulator
Dustproof cover
Cutting tool and method for supplying cutting medium to the same
IC card connector grounding structure
Method for making connections to a microelectronic device having bump leads
Method of forming transparent contacts to a p-type GaN layer
Multi-purpose tool
Self-extruded bushing assembly and method of making the same
Bar anchor and method for reinforcing steel in concrete construction
Passive infrared detection system and method with adaptive threshold and adaptive sampling
Structure for the connection of a plurality of electronic devices to an ARINC 629 type bus
Regulated drawing frame
Fluid dispensing apparatus
Electronic circuit, semiconductor device, electronic equipment, and timepiece
Readable probe array for in vivo use