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
DIAMOND SINTERED BODY
摘要
申请公布号
JPH04213691(A)
申请公布日期
1992.08.04
申请号
JP19910017379
申请日期
1991.02.08
申请人
SUMITOMO ELECTRIC IND LTD
发明人
YATSU SHUJI
分类号
E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MASK ROM SEMICONDUCTOR MEMORY DEVICE CAPABLE OF SYNCHRONIZING THE ACTIVATION OF THE SENSE AMPLFIER AND OF THE WORD LINE
Control system for internal combustion engine
Methods and apparatus for mass spectrometry
Insulating composition that is resistant to oil and to fire propagation, and a method of preparing it
Method and apparatus for relative calibration of a mobile X-ray C-arm and an external pose tracking system
Apparatus and method for providing sequence database comparison
Photothermographic material
Photoresist compositions and use of same
Method for coating medical implants
Transfer-connect telephony services utilizing automated audio systems
Semiconductor processing system
Method and system for the management of subscriber functions
PROCESS FOR TREATING WASTE WATER CONTAINING A RESIN
Apparatus for sorting products
Electrocoagulation printing method and apparatus providing color juxtaposition
Drive for a distributor roller in a printing machine
Electronic mail delivery apparatus and method thereof
Electronic mail apparatus and system for evaluating effect of the mail
Method for selling goods in the internet electronic commerce business
Optical filter having two absorption maximums
