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
Railroad spreader
摘要
申请公布号
US1817524(A)
申请公布日期
1931.08.04
申请号
US19290368989
申请日期
1929.06.06
申请人
O. F. JORDAN COMPANY
发明人
PROTZELLER HARRY W.
分类号
E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MARKING METHOD AND APPARATUS
THERMAL TRANSFER APPARATUS
MEDICAL TUBE
PHASE JITTER CANCELLER
MELT-SPRAYING NONWOVEN WIPING CLOTH
HIGH FREQUENCY SIGNAL SWITCH AND ITS OPERATING METHOD
VIBRATION GYROSCOPE
GAS CONCENTRATION DETECTING ELEMENT
UNINTERRUPTIBLE POWER SUPPLY
RESIN COMPOSITION FOR TONER AND TONER
LIQUID CRYSTAL DEVICE
OVERDISCHARGE PREVENTING CIRCUIT OF STORAGE BATTERY IN UNINTERRUPTIBLE DC CURRENT SUPPLY
DIMMING DEVICE
RADIATION MEASURING INSTRUMENT
SPHYGMOMANOMETRY
CERAMIC MULTILAYER CIRCUIT BOARD
PARTIAL DISCHARGE DETECTOR OF GAS-INSULATED APPARATUS
ELECTRIC STEERING DEVICE
RARE EARTH METAL-SERIES HYDROGEN STORAGE ALLOY
SOLID STATE LASER MEDIUM AND ULTRAVIOLET LIGHT SOLID STATE LASER DEVICE