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
Ventilator
摘要
申请公布号
US1988810(A)
申请公布日期
1935.01.22
申请号
US19320616072
申请日期
1932.06.08
申请人
ROSS FREDERICK N
发明人
ROSS FREDERICK N.
分类号
F24F7/013
主分类号
F24F7/013
代理机构
代理人
主权项
地址
您可能感兴趣的专利
食品包装盒标贴
WORK OPERATION STOPPING METHOD FOR MACHINE TOOL AND WORKING CONTROLLER PERFORMING THE SAME
LADDER PROGRAM DISPLAY METHOD AND DEVICE USING THE SAME
LIQUID CRYSTAL DISPLAY DEVICE
ADVERTISEMENT METHOD OF UTILIZING EXISTING MERCHANDISE PACKAGE
BACK LIGHT DEVICE
PROCESSING METHOD FOR SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL
PHOTOGRAPHIC GRANULAR SOLID PROCESSING AGENT AND METHOD FOR PRODUCING THE SAME
OPTICAL PRINTER
LIQUID CRYSTAL DISPLAY DEVICE
LIQUID CRYSTAL DISPLAY DEVICE
PROJECTION LENS AND VIDEO PROJECTING DEVICE
OPTICAL ELEMENT MODULE
POLYMER DISPERSION TYPE LIQUID CRYSTAL DEVICE
MEASURING MICROSCOPE
COATED OPTICAL FIBER
DIFFRACTION OPTICAL ELEMENT, METHOD FOR MANUFACTURING THE SAME, OPTICAL SYSTEM HAVING THE DIFFRACTION OPTICAL ELEMENT, OBSERVATION DEVICE, PHOTOGRAPHING ELEMENT AND PHOTOGRAPHING DEVICE
REACTOR OUTPUT MEASURING DEVICE
PASSIVE RADAR APPARATUS
STATE DETECTION DEVICE FOR SENSOR
