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
Flow valve
摘要
申请公布号
US2072435(A)
申请公布日期
1937.03.02
申请号
US19330701793
申请日期
1933.12.11
申请人
TAYLOR JAMES W
发明人
TAYLOR JAMES W.
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PACLITAXEL ANALOGS, PREPARATION AND USE AS ANTITUMOR AGENTS
FUEL INJECTION NOZZLE
DECENTRALIZED PRINTER OUTPUT CONTROL
TREATMENT OF SILVER HALIDE EMULSION PRODUCT WHICH HAS BEEN EXPOSED
N-BENZYLAZOLIUM DERIVATIVE
FUEL ASSEMBLY
BOOT FOR JOINT
BASE ISOLATION DEVICE
NEEDLE ROLLER BEARING WITH RETAINER FOR TRANSMISSION
STARTER
CONSTITUTION FOR INTERCEPTING FLOW OF FORCE BETWEEN CAMSHAFT AND VALVE
UNDERGROUND CONSTRUCTION MEMBER OF CURVED SURFACE ACOUSTIC DECORATIVE WALL, UNDERGROUND EXECUTION METHOD, AND CURVED SURFACE ACOUSTIC DECORATIVE WALL.
EXCAVATION DEVICE
EARTHQUAKE-RESISTING LOCK DEVICE FOR MOVING BODY
MEMBER FOR LAYING FLOOR MATERIAL OVER DITCH
AIR-COOLED ENGINE
STEEL TUBE INSTALLING HOLE FORMING DEVICE AND STEEL TUBE SHEET PILE FORMING METHOD
INSTALLING METHOD OF VIBRATION ISOLATION DEVICE TO EXISTING STRUCTURE AND VIBRATION ISOLATION DEVICE USED THEREFOR
VESTIBULE EAVES UNIT AND ITS FITTING METHOD
PRECAST MADE BOX BODY STRUCTURE
