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
VALVE SEAT CONSTRUCTION
摘要
申请公布号
US3525499(A)
申请公布日期
1970.08.25
申请号
USD3525499
申请日期
1967.04.17
申请人
DRESSER IND. INC.
发明人
DONALD L. GEISELMAN;FREDERICK T. NEWELL
分类号
F16K1/226;(IPC1-7):F16K1/22
主分类号
F16K1/226
代理机构
代理人
主权项
地址
您可能感兴趣的专利
HEAD DRIVE CONTROL DEVICE, MAGNETIC DISK DRIVE, AND HEAD DRIVE CONTROL METHOD
TERMINAL DEVICE AND USB DEVICE CONTROL METHOD THEREFOR
CRIME PREVENTION SENSOR AND CRIME PREVENTION SYSTEM
METHOD FOR MONITORING OVERRIDE STATE IN LADDER PROGRAM
MERCHANDISE SALES DATA PROCESSING APPARATUS AND PROGRAM
FACE DIRECTION SPECIFICATION DEVICE AND IMAGING DEVICE
POLARIZING FILTER WITH NOTCH
SPEAKER DEVICE
WIDE-ANGLE LENS
CHARGING ROLLER CLEANING SHEET AND CLEANING METHOD
ZOOM LENS AND IMAGING DEVICE
DISPLAY DEVICE AND DRIVE METHOD OF THE SAME
PUSH-PULL TYPE DRIVE CIRCUIT
INNER FRAME MEMBER AND CASE UNIT
ALIGNMENT TESTER CORRECTING DEVICE
ORGANIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
HAND POSITION DETECTING DEVICE AND ELECTRONIC TIME PIECE
MAGNETIC ENCODER AND ROTATION DETECTING APPARATUS
METHOD AND DEVICE FOR HEATING AND COOLING TEST
MEASURING METHOD OF CORROSION AMOUNT BY CONTACT CORROSION OF DISSIMILAR METAL