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
Gate valve
摘要
申请公布号
GB669417(A)
申请公布日期
1952.04.02
申请号
GB19490012863
申请日期
1949.05.13
申请人
FRIEDRICH HEINRICH STRADTMANN
发明人
分类号
F16K3/14;F16K3/18
主分类号
F16K3/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VIBRATION DISPLAY DEVICE
FRONT FORK
ROLL-CALL/INSPECTION SYSTEM
CROSS DIPOLE ANTENNA AND NON-CONTACT COMMUNICATION MEDIUM EQUIPPED WITH THE SAME
AUTOMATIC ANALYSIS PRETREATMENT DEVICE AND AUTOMATIC ANALYZER INCLUDING AUTOMATIC ANALYSIS PRETREATMENT DEVICE
COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND USER EQUIPMENT
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS
TONER AND PRODUCTION METHOD OF THE SAME, AND DEVELOPER
SPINNER CLEANING DEVICE
INFORMATION PROCESSOR
DESK SYSTEM
TESTING DEVICE OF BEARING AROUND CRANK OF ENGINE
COMBINATION BALANCE
OPTICAL SHEET, OPTICAL FILTER AND IMAGE DISPLAY DEVICE
COLOR FILTER SUBSTRATE, AND FRINGE FIELD SWITCHING TYPE LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
TREATMENT AGENT FOR SYNTHETIC FIBER
PACKAGE FOR HOUSING ELEMENT AND ELECTRONIC APPARATUS WITH THE SAME
DETECTION DEVICE AND IMAGE FORMING APPARATUS
ENDLESS BELT FOR ELECTROPHOTOGRAPHIC APPARATUS AND PRODUCTION METHOD OF THE BELT
PHOTOGRAPHING DEVICE WITH ILLUMINATOR AND CONTROL METHOD OF THE SAME
