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
Fire damper
摘要
申请公布号
US3341971(A)
申请公布日期
1967.09.19
申请号
US19650480903
申请日期
1965.08.19
申请人
THE AMERICAN WARMING & VENTILATING, INC.
发明人
JR. GEORGE F. HARTMAN,
分类号
E06B5/16
主分类号
E06B5/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CREATION METHOD FOR TIME SERIES FREEZE FRAME DATA AND VEHICLE CONTROLLING DEVICE
REPAIR METHOD FOR CERAMIC TILE SURFACE
SANITARY WASHING DEVICE
WALL STRUCTURE AND CONSTRUCTION METHOD OF THE SAME
RAIL CONNECTING TOOL AND RAIL CONNECTING METHOD
JIM LOCK CONTROLLER
OPENING STRUCTURE
CONSTRUCTION METHOD OF WATER CUT-OFF WALL INSTALLING WELL AND WATER CUT-OFF WALL INSTALLING WELL
BOLSTER LAYING STRUCTURE OF HOLLOW RAIL
EXPANSION STRETCHED CHORD TRUSS STRUCTURAL BODY
FIXED DEVICE OF BASE ISOLATION STRUCTURE
HEIGHT-ADJUSTABLE PARTITION UNIT
OVERHANG DOOR INSTALLING STRUCTURE
WATER DELIVERY DEVICE AND ELECTROLYTIC WATER GENERATOR HAVING IT
ROOFING MATERIAL
REINFORCED CONCRETE BLOCK AND JOINT BLOCK
STRUCTURE OF LATTICE ARRANGED IN RECESS IN FENCE
INSTALLATION STRUCTURE FOR EAVES GUTTER AND FALLEN LEAF VISOR
METALLIC MEMBER CONNECTING METHOD
METHOD FOR FORMING WOVEN FABRIC BY USING WATER JET LOOM
