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 coal cutter chains and the like
摘要
申请公布号
GB665900(A)
申请公布日期
1952.01.30
申请号
GB19490001298
申请日期
1949.01.17
申请人
AUSTIN HOY AND COMPANY LIMITED;SIDNEY ERNEST PROCTOR
发明人
分类号
C07D405/06;E21C25/36
主分类号
C07D405/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CONTEXT SPECIFIC USER INTERFACE
КОМПОЗИЦИЯ ДЛЯ ПОЛУЧЕНИЯ АРМИРОВАННОГО ВОЛОКНОМ ПОЛИУРЕТАНА НИЗКОЙ ПЛОТНОСТИ, АРМИРОВАННЫЙ ВОЛОКНОМ ПОЛИУРЕТАН НИЗКОЙ ПЛОТНОСТИ И АРМИРОВАННЫЙ СТЕКЛОМ ПОЛИУРЕТАНОВЫЙ КОМПОЗИТ
НАПЛАВНОЕ УСТРОЙСТВО ДЛЯ ИСПОЛЬЗОВАНИЯ ЭНЕРГИИ РЕЧНОГО ПОТОКА
A METHOD FOR TRANSMITTING/RECEIVING MULTIPLE CODEWORD IN A MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM
DARK FRAME SUBTRACTION USING MULTIPLE DARK FRAMES
SYSTEM AND METHOD FOR CHECKING DIGITAL CERTIFICATE STATUS
NOVEL 6-5 BICYCIC HETEROCYCLIC DERIVATIVE AND MEDICAL USE THEREOF
THE METHOD FOR BREEDING A FOWL USING OLIVE LEAF
COMPLEX BURIAL FACILITIES INSTALLED VERTICALLY INTO UNDERGROUND FOR ALL THE FAMILY LINE AND ITS METHOD OF INSTALLATION
SEASONING METHOD OF CHEMICAL VAPOR DEPOSITION CHAMBER
A DOOR BELT MOLDING OF A VEHICLE
APPARATUS OF MANUFACTURING A CARBON BLUCK
STRUCTURE FOR MOUNTING OIL LEVEL GAUGE OF AUTOMOBILE
SECTIONAL ELECTRIC POLE
APPARATUS AND METHOD FOR AUTOMATED OPTICAL INSPECTION
MOXIBUSTION THERAPEUTIC APPARATUS
SPOOL VALVE UNIT OF AUTO TRANSMISSION FOR VEHICLE
AIR VENTILATOR
EQUIPMENT FOR MANUFACTURING A SEMICONDUCTOR DEVICE
LATCH BOLT FOR DOOR LOCK AND THE MANUFACTURE METHOD
