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
Piano action
摘要
申请公布号
US2157028(A)
申请公布日期
1939.05.02
申请号
US19370166377
申请日期
1937.09.29
申请人
THE RUDOLPH WURLITZER COMPANY
发明人
SPERRY RALPH W. E.
分类号
G10C3/22
主分类号
G10C3/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
APPARAT TIL DETEKTERING AF ET LYSPAAVIRKENDE STOF I ET FLUID
STABILIZER OF CHARGING-DISCHARGHING CURRENT FOR ACCUMULATORS
NETTING REFILL FOR A PACKAGING MACHINE
GENERATORS OF ELECTROMAGNETIC LIGHT OR INFRARED WAVES HAVING PLASMA CONFINING MODES
ION SENSOR AND METHOD OF MANUFACTURING THE SAME
Automatic speed control of a rewinder
TRANSLUCENT PROJECTION SCREEN
Porous Electrostatographic Toner and Preparation Process Thereof
A liquid level indicator
PARAMETRIC ARRAY DOPPLER SONAR APPARATUS
Machinery covers
Intermittent drive means
Connectors for tubing
Double glazing systems
Coal-cutting machinery
Process for Recovering Starch Slurries and Gluten from Starch- bearing Materials
Cigarette accumulating arrangements in a cigarette production and packaging installation
VESSEL HAVING A COAL BUNKER ARRANGEMENT
APPARATUS FOR PRODUCING MOULDED ARTICLES
Reinforced, hinged mould for concrete
