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
Improvements in or relating to the manufacture of metallically integrated well screens
摘要
申请公布号
GB400790(A)
申请公布日期
1933.11.02
申请号
GB19320033436
申请日期
1932.11.25
申请人
EDWARD E. JOHNSON, INC.
发明人
分类号
B21F27/18
主分类号
B21F27/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SAW STRIP FOR FIXING A CRYSTAL AND PROCESS FOR CUTTING OFF WAFERS
LITHIUM COMPLEX GREASE WITH EXTENDED LUBRICATION LIFE
TELECOMMUNICATION CONNECTORS
HIGH-THRUST CLUTCH-TYPE AUTOMOTIVE ELECTRIC LOCK.
SLURRY HYDROCARBON SYNTHESIS WITH DOWNCOMER RED PRODUCT FILTRATION
OPTICAL PICKUP
METHOD FOR CONTROLLING STOP POSITION OF ELEVATOR CAGE
PHYSICAL FORM OF DIHYDRO-2, 3-BENZODIAZEPINE DERIVATIVE
IMPROVEMENT IN SUN BLINDS FOR MOTOR VEHICLES
OBJECTIVE LENS DRIVE DEVICE AND COIL BOBBIN THEREOF
EXPOSURE SYSTEM
SYSTEM AND METHOD FOR MAKING FRUIT COVERING BAG AND SOFTENING APPARATUS THEREOF
BINDER PASTE HAVING HYGROSCOPIC, ANTI-BACTERIAL AND DEODORIZING ACTIVITIES, AND SILVER ION- AND LOESS-CONTAINING SOCKS HAVING DERMATOPHYTOSIS INHIBITION ACTIVITY APPLIED WITH THE SAME
SPANGLE FEEDING DEVICE
LIQUID CRYSTAL DISPLAY OF HIGH APERTURE RATIO
THIN FILM TRANSISTOR ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY
LINER RUBBER COMPOSITION FOR NIPPLE CUP OF MILKER HAVING IMPROVED DURABILITY
COMPOSITE VIBRATION DAMPING SHEET COMPOSITION
THIN FILM TRANSISTOR LIQUID CRYSTAL DISPLAY HAVING BRIGHTNESS CONTROL CIRCUIT
LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME
