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
Manufacture of vacuum tubes
摘要
申请公布号
US1964978(A)
申请公布日期
1934.07.03
申请号
US19290397250
申请日期
1929.10.04
申请人
ROBERT T. MACK
发明人
EDELMAN PHILIP E.
分类号
H01J9/385
主分类号
H01J9/385
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ADHESIVE TAPE DISPENSER
MACHINE FOR MAKING DOUBLE FACED CORRUGATED PAPERBOARD COMPRISING A PLURALITY OF ROWS OF AXIALLY SPACED STAGGERED PRESSURE ROLLS
METHOD OF MANUFACTURING A LAMINATED PLANAR STRUCTURE
VIBRATION PROCESSING OF MAGNETIC TAPE
PROCESS FOR THE PRODUCTION OF NEGATIVE OR POSITIVE CONTINUOUS-TONE OR SCREENED IMAGES THEREOF
SPECTRAL SENSITIZATION OF PHOTOCONDUCTIVE COMPOSITIONS
CRESCENT MACHINE
PNEUMATIC/HYDRAULIC PRESSURE ACTUATED POSITIVE DISPLACEMENT PUMP
DATA ENCODING AND DECODING APPARATUS AND METHOD
SPECTACLES HAVING BANDS THAT REDUCE FACIAL WRINKLES
LIQUID CRYSTAL ELECTRO-OPTICAL MEASUREMENT AND DISPLAY DEVICES
APPARATUS FOR PRODUCING YARN
METHOD AND ELECTRO-OPTICAL SYSTEM FOR INSPECTING BODIES SUCH AS TILES
SINGLE LEVER SELECTIVELY ACTUATED FORWARD AND REVERSE CLUTCHES
ELECTRIC CONTACT MEMBER
ADHESIVE COATED VINYL CHLORIDE FILM
MELANGE THERMOPLASTIQUE, PARTIELLEMENT VULCANISE PAR VOIE DYNAMIQUE, DE POLYOLEFINE PLASTIQUE ET DE COPOLYMERE CAOUTCHOUTEUX DE MONOOLEFINE.
VERFAHREN ZUM GEWINNEN VON KUPFER
PROCEDE DE FABRICATION D'UNE POUDRE DE PRODUIT LAITIER ACIDIFIE
VORRICHTUNG ZUM VERBINDEN VON STECKKUPPLUNGSTEILEN