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
Perforate roadbed simulating attachment for toy railroad tracks
摘要
申请公布号
US2665849(A)
申请公布日期
1954.01.12
申请号
US19500173559
申请日期
1950.07.13
申请人
THE A. C. GILBERT COMPANY
发明人
SMITH RAYMOND D.
分类号
A63H19/30
主分类号
A63H19/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSITIVO PER FISSAGGIO DI PARTI IN MODO TRA LORO SEPARABILE.
STRUTTURA DI CALZATURA, PARTICOLARMENTE DEL TIPO CON TOMAIA APERTA.
METHOD OF MAKING PACKING PAPER
LOW-PRESSURE POLYMERIZATION OF 伪 -OLEFINS
MANUFACTURING METHOD OF IONENE POLYMERS
PHTHALOCYANINE PIGMENT
METHOD OF PREPARING MELAMINO-FORMALDEHYDE OLIGOMER
METHOD OF PREPARING GLYCERINE DICHLOROHYDRIN
METHOD OF ISOLATING AROMATIC HYDROCARBONS FROM THEIR MIXTURES WITH NONAROMATICS
REFRACTORY CONCRETE MIX
DEVICE FOR MOLLIFYING GLASS ARTICLES
SHEET GLASS CUTTING DEVICE
DEVICE FOR MAKING SHEET GLASS
METHOD OF TREATMENT OF WASTE WATER PRECIPITATES
METHOD OF SUSPENSION THICKENING
INHIBITOR OF BOILER SCALE FORMATION
METHOD OF PREVENTING GROWTH OF SULFATE-REDUCING BACTERIA
APPARATUS FOR MAGNETIC TREATMENT OF LIQUID-FLUID MEDIA
ELECTROLYZER
ELECTROLYZER FOR WASTE WATER PURIFICATION
